Surefast Bolting Services Ltd. It should be noted that these figures are based on the first tightening of single assemblies in isolation. Due to the wide variation of FRP flange materials, designs, and manufacturing processes, the user must confirm that torque. Flat head countersunk socket cap screws DIN 7991 are not intended for high strength application. ASTM A193 / A193M-17, Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications, ASTM International, West Conshohocken, PA, 2017, www. It is an experimentally derived constant that includes the impact of friction. C OMPANY STRATEGY. Consult with gasket manufacturer, flange and bolting materials for torque values. 1 Design Design of bolts and nuts are described in a large number of standards. (8) Mechanical property requirements for studs shall be the same as for bolts. Find trusted Large Diameter Bolts manufacturers and distributors that meet your business' needs on ThomasNet. This table shows the mechanical properties of B7, Grade 5 and Grade 8: GRADE GRADE 5 ASTM A193 B7 (Chromium Molybdenum) GRADE 8 (Heat Treated After Threading) TENSILE STRENGTH 120,000 PSI minimum 125,000 PSI minimum 1,100°F tempering temp 150,000 PSI minimum YIELD STRENGTH 92,000 PSI minimum 105,000 PSI minimum minimum 130,000 PSI minimum ROCKWELL HARDNESS C25-C34Read more. Due to chemical reaction these bolts are eaten away. It is now apparent to me that here too, smaller bolts should have been used. portlandbolt. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Grade 2, 5, and 8 values are for slightly lubricated bolts. Each application has its own level of quality and material traceability but certification to EN10204 3. Bolt tightening sequence or torque sequence is defined in torque tightening procedure. For tightening to the final torque values, tighten bolts sequentially clockwise once around the flange. This led to the development of tandem Hardened Coated Steel. 07 is for PTFE (Teflon/Xylan) coatings. Instead, torque head bolts/nuts to the specifications given in Table 2 of this addendum. This torque table is not intended to communicate the minimum possible torque value to seal GORE® Gaskets. Choose from our selection of bolts, including hex head screws, socket head screws, and more. PTFE Coated Bolts have a Low Coefficient of Friction - The coefficient of friction of PTFE is generally in the range of 0. Distributors. bolt Torque Sequence Finger-tighten all nuts and bolts. Size: M16-M56 (1/4-1 3/4) or as per customers technical drawings showed. Due to the absence of nut locking oxides after extensive exposure to corrosive environments, fasteners with Finish PTFE fluoropolymer coated. 12 or even lower. For slip critical connection, apply specified bolt torque and check 25 percent of bolts at random by calibrated torque wrench. manufactured from a special formulated PTFE material which is machined with a wider surface area promoting a constant seal. The specification for ASTM A193 covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. Consult LGT Engineering for flange bolt-up procedure, target bolt stresses, and guidelines for non-standard connections. The major grade used in stainless steel bolts: 200 series, 300 series, and 400 series. A193 B7 Stud Bolts PTFE; A193 B7 Hex Bolts PTFE; A193 B7 Hex Cap Screws PTFE; A194 2H Nuts PTFE; F-436 Flat Washers PTFE; Many of our PTFE fasteners are coated with a proprietary Flurokote#1 blend that offers superior characteristics for maximizing the life of fasteners. Bolts Manufacturer, Suppliers & Washers Exporters in Mumbai(India) known asM P JAIN. Understanding the Nut Factor in Threaded-Fastener Torque-Tension Relationship. IN-STOCK – Available for IMMEDIATE shipping… Lightning Bolt has one of the largest inventories of PTFE fasteners in North America, including ASTM A-193 B7 Xylan 1424 Stud Bolts Teflon Blue. A k factor of 0. torque wrench in the sequence shown in the illustration and as listed below. THREADS OF STUD BOLTS. That's part of what gives these nuts such an incredible lifespan. Incoloy 800H Hex Nut, Incoloy 800H UNS N08810 1. Hex bolts, screws and studs property classes is consists of two numbers which is separated by a decimal point like 8. offer reduced torque in high temperature, high cycle, and steam service applications. WCB + PFA LINED ASTM A 216 GR. Clamp load is also known as preload or initial load in tension on bolt. 8 headed bolts, Structural Bolts and Machine Screws. Nuts shall be torqued to the values listed in the table below with even gaps at the bolt pads. Actuated Valves, Manual Valves, and Flow Meters from Assured Automation. CF8 SS 304 SS 304 SS 304 PTFE HT STEEL SS. 5 (BS 1560) FORGINGS TO ASTM A105 - Not recommended for prolonged use above 427qC. Torque Values are in ft. For more information regarding Portland Bolt's manufacturing capabilities and full product line, visit www. bolting torque table 5 - ptfe coated astm a193 b7 and astm 193 b16 stud bolts. alleged infringement of any United States patent by any product supplied by the Seller made in accordance with materials, designs or specifications furnished or designed by the Buyer, provided that prompt written notice be given to the Buyer of the bringing of the suit and than an opportunity be given t o the Buyer to defend it. Upstream exploration and production companies use our fasteners for their masts, cranes, mud pumps Browse Bolts Datasheets for Bayou City Bolt & Supply Co. Zinc plated high strength bolts and nuts must be provided with a supplementary lubricant coating to provide for satisfactory bolt tightening as discussed on pages 49 and 51. They fit with corresponding tapped holes and nuts to create bolted joints. Economics of galvanized coatings on bolts Corrosion protection on bolts should match the rest of the structure and in most circumstances economics favour the. 20, depending on the load, sliding speed, and particular PTFEcoating used. Parts moulded in Nylon 6/6 Dupont Zytel 101, dry as moulded, unmoisturized, at 73°F. Torque-Tension Relationship for ASTM A193/A193M B7 & A320/A320M L7 Bolts and Studs Clamp Load Specified per API 6A (50% of yield) Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. Torque values listed above should be exceeded only when necessary to effect a seal. Surefast Bolting Services Ltd. Regardless if your projects needs B7 blue studs or Xylan 1424 4b7 blue hex bolts, we have them both, and even do specials. You should use at least grade 5 fasteners on almost everything on your motorcycle. This torque table is not intended to communicate the minimum possible torque value to seal GORE® Gaskets. 1 Stud Bolt & ASME B18. Torque values are based on. Got something to say? Scribble it on a virtual napkin, fold it up and drop it right here. C OMPANY STRATEGY. Salt spray time: 2 hours, 24 hours, 48 hours, 96 hours, 1000 hours we can do as per need. HEAVY HEX NUTS ASSEMBLED. Bolting should be of sufficient strength to achieve proper compression of the gasket, to not only seal the joint, but to maintain the seal without exceeding the yield strength of the bolts being used. The above calculations are based on the use of a ASTM A193 Grade B7/B16 bolt with a coefficient of friction of 0. In addition, a proper bolt torque value can be inconsistent from fastener-to-fastener due to several factors including variations in material, coatings, surface finishes, fit tolerances, installation method, etc. Lamons is one of the largest gasket and bolt suppliers in the world, committed to quality and local service. Available Torque Values for Full Face 1/16" thick gaskets in ANSI B16. It is made of alloy steel and has six radial lines on the top of the bolt head. Filed under Coated Bolts, Stud Bolts Tagged with Coated Bolt Torque Values, Coated Bolts, PTFE Coated Bolts, Teflon Coated Bolts, Xylan Coated Bolts. Polyterafluoroethyene (PTFE) é majorily usado para o tratamento de Fastners em indústrias de petróleo e química. These fasteners are commonly used by turnaround groups, operations and maintenance departments, and contractors at many chemical plants, refineries, and offshore platforms. K= friction coefficient. For these reasons, it is not practical to provide a single bolt torque chart or formula that is accurate for all situations. US Recommended Bolt Torque. 17) using the installation and bolt tightening practices outlined in this handbook. 34, ISO 17292, API 6 D upon request ISO 5211 Top flange FIRE SAFE construction certified as per BS 6755. 1 Proofload is the published number that full size headed bolts are tested to. Use to determine Torque, Bolt Load and Percent Yield of Maximum Load of Bolts. MASTERCOTE Fasteners Tri- Star is a high quality specialty fastener manufacturer for all kinds of fastener products with stringent specifications. material specifications soft seal body screw retainer blade seal ring o-ring packing stud lock yoke stem searing sleeve gland stem lock stopper grease nipple bolt lock nut gland flange bolt nut washer asteroidal paching nps w carbon steal astm a? wcg astm a193-b7 astm astm epom astm astm at9a-2h astm a216-wca astm ata2-f6a astm astm a291035. Studs and Nuts are Heat Code Traceable Material Test Reports (MTRs) Available on Demand (for box quantities only)* Stud and Nut Sets are Lot Number Traceable (for box quantities only)*. These bolts are typically bought and sold in a plain, bare metal finish but are often hot-dip galvanized, zinc plated, Xylan coated, PTFE coated, or otherwise coated for corrosion resistance. pdf), Text File (. The ball valve is trunnion-mounted and is intended to function as a fully open or fully closed device. 81 ft-lb) and for the 5/8” UNC bolt torque is 100Nm. applied torque to induced tension (clamping load). We manufacture Fasteners with material specification Carbon steel grades B7, B7M, L7, L7M, B16, Austeniticstainless steel grades B6, B8, B8 cl 2, B8M, B8M cl 2, B8T, B8C type 304, 316, 321, 310, Duplex / super duplex SS grades 31803, 32760. The major grade used in stainless steel bolts: 200 series, 300 series, and 400 series. NOTE 2: The above-mentioned torque values are based on A193 B7 bolts with A194 2H nuts. isolation even after three bolt-up operations to full torque levels. See Xylan 1424 Color Chart; Xylan 1425 - Waterborne, dry-film lubricant formulated with PTFE and MoS2 specifically for high-pressure, low speed wear applications. In stock and ready to ship. The bolts, used to the experiments performed in connection to this re-. 8 headed bolts, Structural Bolts and Machine Screws. • Tighten bolts according to instructions and torque specifications. Coatings like Plating, Galvanizing, Fluorocarbon Coating and Customized Coating Systems. B7 Stainless steel A276 Type 304 A276 Type 304 A276 Type 304 A276 Type 304 A276 Type 304 Reinforced PTFE A276 Type 304 Reinforced PTFE Stainless steel Stainless steel A313 & A276 Type 316 Stainless steel Stainless steel *1 A352 Gr. TORQUE GUIDE Proper clamp load is an essential part of any bolted assembly for trouble-free operations. 12; This Table is applicable for PTFE coated bolts with K=0. The specification for ASTM A193 covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. Item # 150-4, Merit Brass ASME Class 150 Flanged End Ball Valve. Torque-Tension Relationship for ASTM A193/A193M B7 & A320/A320M L7 Bolts and Studs Clamp Load Specified per API 6A (50% of yield) Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. Home > ASTM A193 Bolts ASTM A193 Bolts The specification for ASTM A193 covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. Surefast Bolting Services Ltd. Dramatic improvements in efficiency, life expectancy and corrosion resistance are claimed to be imparted to Nut and Bolt connectors by the application of a low friction PTFE coating. Bolts Manufacturer, Suppliers & Washers Exporters in Mumbai(India) known asM P JAIN. 09 / Piece; astm a 193 b7 stud bolts and nut: Price US$ 0. Temperature Range: -250° F to +350° F (note: gasket material is limiting factor). Yield Strength, 12% Min. Are you trying to figure out how many bolts you need to flange up the project you are working on? Regardless if its B7 studs, B8 studs, or teflon coated studs. About 63% of these are bolts, 1% are anchors. pdf), Text File (. bolt (stud on the left image, bolt on the right image) STUD BOLT MATERIALS The most common materials for stud bolts (for flanges) are ASTM A193 (grade B7, B8, B8M, B8T), ASTM A453 (grade 660), ASTM A320 (grade L7, L7M), and ASTM A182 (duplex and super duplex bolting). Features • • Sold•in•Individual•Sets•or•Box•Quantities. 5) ratings 150, 300, 600, that have PTFE coated studs and nuts IE without lubricant - all studs / bolts (grade B7) are PTFE coated, Graphite spiral wound gaskets are being used as are graphite steel reinforced ring joints. heavy duty seals for high pressure. com high tensile fasteners for oil, gas & petrochemical iso 9001:2015 certification member 96796 qas cert. CF8 SS 304 SS 304 SS 304 PTFE HT STEEL SS. Thus Quality Will Not Be A Challenge For The Procurement Team When You Are Buying From Us. The Bolt Torque Table below provides information such as tension, torque, TPI for the heavy structured bolts against its corresponding bolt sizes (ranging from 1/2 to 1 1/2). PIPING PRODUCTS. SCOPE Full-Face Wafer/Lug Butterfly Valves with through-drilled or threaded flange bolt holes for corrosive and/or abrasive. ASTM F593 Hex Cap Screws otherwise called machine fasteners or hex screws are accessible in different fastener grade markings and qualities. 51 --- --- --- ---450 0. We are involved in manufacturing and export of superior quality Heavy Hex Bolts,Heavy Hex Head Bolts,A193 grade b7 heavy hex bolt. Zinc plated high strength bolts and nuts must be provided with a supplementary lubricant coating to provide for satisfactory bolt tightening as discussed on pages 49 and 51. NOTE 2: The above-mentioned torque values are based on A193 B7 bolts with A194 2H nuts. Check tightness of fasteners periodically. Use of hardened steel washers 4. The user must verify these conditions, as outlined, are appropriate for the specific application. Parts moulded in Nylon 6/6 Dupont Zytel 101, dry as moulded, unmoisturized, at 73°F. ; and p=bolt clamping load developed by tightening, lb. STUD BOLTS ASTM A193 GRADE B7 B16. In order to cater the diverse requirements of our customers, we are involved in dealing an extensive range of PTFE Coated Nuts And Bolts. The tightening shall be carried out in three or four stages in steps of 30, 50 & 70 percent of the final torque value. With over 35 years of bolt and engineering experience, Mr Bolt and Nut has accumulated a wealth of technical competence. 75 1/2 X 2 3/4 B7 Coated Stud. Special Materials available : B8T, Titanium, Duplex, Super Duplex, Monel 400, K500, Hastlloy, Incoloy, Inconel, Nimonic, Aluminium, etc. 50 / Piece; ASTM A320 L7M hex bolt : Price US$ 0. We are involved in manufacturing and export of superior quality Heavy Hex Bolts,Heavy Hex Head Bolts,A193 grade b7 heavy hex bolt. The dispersion band of the axial tension is wide and bolt effi ciency is low. A wide variety of teflon bolts options are available to you, such as free samples. ) Raised Face Ring Joint 1/2" - 150# 4 1/2 2-1/2. Tighten the flange bolts with a calibrated torque wrench to the specified bolt torques. Stud Bolt – A complete Guide of Pipe Fasteners Stud bolt, nuts, machine bolts and washers are also known as bolting material or fastener. 15 – 1 inch (4 – 25 mm) 316 SST ASTM A193, Grade B8M Class 1 threaded mounted studs 1. PLEASE CONTACT US FOR PRICING ON PTFE COATED WASHERS, NUTS AND HEX HEAD FASTENERS [email protected] 5 Raised Face Flanges with A193 Grade B7 Bolts Nom. 1 Proofload is the published number that full size headed bolts are tested to. bolts, nuts and studs are difficult to machine. We will continue changing the way we do business focusing on the customer’s needs and our company’s Vision, Mission & Values. For sliding connections, properly secure bolt but allow bolt to move within connection slot. [762–1,219 mm]), five or more repetitions may be required. Torque Proper bolt torque is required to achieve appropriate bolt tension and elongation. bolting torque table 5 - ptfe coated astm a193 b7 and astm 193 b16 stud bolts. Choose from our selection of bolts, including hex head screws, socket head screws, and more. bolting torque table 4 - use only with 6061-t6 aluminium flanges. The below online ASTM A193 B7 Bolt Torque Chart provides tension, torque, TPI information against their corresponding sizes. ASTM A320 Specification | Portland Bolt - Anchor Bolts and. Zinc plated high strength bolts and nuts must be provided with a supplementary lubricant coating to provide for satisfactory bolt tightening as discussed on pages 49 and 51. Storage Recommendation:. This table shows the mechanical properties of B7, Grade 5 and Grade 8: GRADE GRADE 5 ASTM A193 B7 (Chromium Molybdenum) GRADE 8 (Heat Treated After Threading) TENSILE STRENGTH 120,000 PSI minimum 125,000 PSI minimum 1,100°F tempering temp 150,000 PSI minimum YIELD STRENGTH 92,000 PSI minimum 105,000 PSI minimum minimum 130,000 PSI minimum ROCKWELL HARDNESS C25-C34Read more. Notice: Undefined index: HTTP_REFERER in /home/baeletrica/www/1c2jf/pjo7. Tradewell Ferromet Pvt Ltd can provide Cold Forged & Hot Forged Carbon Steel Nuts / Non Standard Special Carbon Steel Nuts with complete material compliance. Find trusted Large Diameter Bolts manufacturers and distributors that meet your business' needs on ThomasNet. Mounting Bracket Bolts Steel 1. Nuts shall be torqued to the values listed in the table below with even gaps at the bolt pads. 4958 inside hexagonal bolt, Incoloy 800H stud bolt, Incoloy 800H half thread bolt, bearing 1. Inventory MSI Supply stocks B7 stud bolts from 1/2" - 2" diameter in: Plain (black) finish, Teflon Blue, and Cad Plating. Actuated Valves, Manual Valves, and Flow Meters from Assured Automation. A193 Grades. This process should be repeated until all bolts are sufficiently tightened. com A55 FASTENER TORQUE CHARTS Imperial has made a concerted effort to provide accurate information in its catalog and on its web site, however Imperial assumes no responsibility for the accuracy of the information. PTFE Coated Bolts are Nonwetting – Since surfaces coated with PTFE are both oleophobic and hydrophobic, they are not readily wetted. Regardless if your projects needs B7 blue studs or Xylan 1424 4b7 blue hex bolts, we have them both, and even do specials. Buy Super Duplex Fasteners in UK from Siddhagiri, one of the leading Bolts and Nuts suppliers in Europe. 19) Flexitallic does not generally recommend a bolt stress above 60,000 PSI. Higher grade materials, such as carbon alloy steel, allow for greater torque strength in the threads of the bolt. 1 is the lowest requirement and EN10204 3. B7 threaded studs and short, headed bolts are readily available in the marketplace. ASTM A320 Specifications. , and assume Alloy Steel Bolts (A193 B7 w/ 2H Nuts) with oil/graphite lubrication. Regardless weather you want a teflon blue A193 B7 stud bolts (we consider very standard), or teflon black B-16 hex bolts, we are experts at PTFE coated fasteners. In stock and ready to ship. • Torque and tension values are recorded on a chart creating a torque-tension curve showing how much tension is. Packing a heap of nut-busting torque, these tools are guaranteed to help you get the job done right. ASTM A387 Grade 9 is categorized as alloy steel. A vendor has recently supplied us with a heat exchanger with a very small PTFE gasket. The most widely used application is on B7 studs with 2H nuts. The vessel specs call for a spiral wound gasket. clearance to relieve pressure past the upstream seat, and positive preloading to ensure low pressure/vacuum sealing. Bolt tightening sequence or torque sequence is defined in torque tightening procedure. is committed to 100% customer satisfaction. B7 studs with 2H heavy hex nuts; with studs, nuts and the nut bearing surfaces lubricated with a never-seize type lubricant (k = 0. Molybdenum di-sulphide or Nickel powder anti-seize compounds. Since then, almost all international petrochemical, Oil drilling rigs and chemical process industries have specified these studs for both offshore and land based applications. and assume new A193 Gr. Wm2 governs and comes to only 15,300 psi per bolt. MASTERCOTE Fasteners Tri- Star is a high quality specialty fastener manufacturer for all kinds of fastener products with stringent specifications. The screw head is designed to fit a ratchet or spanner torque wrenches allowing you to tighten the screw to your exact specifications. B7 Bolt Torque Chart Posted on February 6, 2018 by Fattana Xylan coated flurokote 1 astm a 193 b7 technical info torque value chart cross ref chart paring ecu maps etc gains for a4 b7 s typical bolt torques. ASTM A307 Gr- A & B is wider than that of a standard hex bolt. garlock Compressed Sheet die cut gaskets garlock blue gard 3000 die cut gaskets. Torque the bolts at 30% of the final loading using the appropriate bolt pattern. 24 the bar stud b7 4~12 25 washer 65mn 8~16 26 nut 2h 8~16 27 stud b7 8~16 28 bearing steel baked ptfe 2 29 roller aisi 4140 2 30 bearing steel baked ptfe 2 31 pin aisi 4140 1 32 thrust bearing ptfe 2 33 guide bar ptfe 1 34 nut 304 1 35 position indicator 304 1 36 o-ring viton 1 37 o-ring viton 1 38 cover fcd450 1 39 guide bar ptfe 1 40 bolt. Common bolt specifications are abbreviated as follows: a) Grade B7 bolts x Grade 2H nuts. Compared to other high performance polymer bolts like PEEK or PVDF, PTFE bolts offer the best all-around corrosion resistance especially at elevated temperatures. If bolts are to be torqued "dry", increase wrench setting by 20%. Where corrosion of the flange bolts may occur it is desirable to use corrosion resistant fasteners. Available in a wide range of colors. Teflon Coated Fasteners Ask Price With in-depth expertise, we manufacture and supply a rich range of PTFE Coated Studs that provides exceptional corrosion resistance, low coefficient of friction, consistent tensioning and subsequent ease of installation and removal attributes. Incoloy 825 wing bolts, Incoloy 825 U bolts and Incoloy 825 flat head screws has a high level of corrosion resistance also resists general corrosion, pitting, crevice corrosion, intergranular corrosion, and stress-corrosion. ft-lbs to nm = 0. Available Torque Values for Full Face 1/16" thick gaskets in ANSI B16. Check tightness of fasteners periodically. Hobson Engineering Co Pty Ltd HOME. Torque specifications and assembly instructions provided in kit Xylan coated B7 studs and 2H nuts are standard but can be customized upon request Studs shipped in protective sleeves Durable weatherproof tag VSP Clean Flow-LE or FS gasket Lubrication included where applicable Critical installation information and sign-off. Inventory MSI Supply stocks B7 stud bolts from 1/2" - 2" diameter in: Plain (black) finish, Teflon Blue, and Cad Plating. We also stock Stell Fasteners. API Spec 20E incorporates specifications for bolt steel grades B7 and B7M. Phone: 1-800-558-2808 • Fax: 1-800-553-8769 • www. The above Table is applicable only for A193 Grade B7 and A193 Grade B16 Stud Bolts. ASTM A193 Grade B16. Studs provide the ability to obtain much more accurate torque values because the studs don't twist during tightening as do bolts. This table shows the mechanical properties of B7, Grade 5 and Grade 8: GRADE GRADE 5 ASTM A193 B7 (Chromium Molybdenum) GRADE 8 (Heat Treated After Threading) TENSILE STRENGTH 120,000 PSI minimum 125,000 PSI minimum 1,100°F tempering temp 150,000 PSI minimum YIELD STRENGTH 92,000 PSI minimum 105,000 PSI minimum minimum 130,000 PSI minimum ROCKWELL HARDNESS C25-C34Read more. Our ptfe (teflon / xylan) COATING WILL HAVE UNIFORM THICKNESS OF 20 + 5 MICRONS WITH THE WORKING TEMPERATURE RANGE OF 50 TO + 250 Degree Celcius. The above calculations are based on the use of a ASTM A193 Grade B7/B16 bolt with a coefficient of friction of 0. The intent of this torque table is to find the balance between bolt yield and allowable gasket stress to achieve a long-term reliable seal. Lubrication of bolts, nuts and nut facings 5. bOLt tOrqueS FOr bOth LubriCated and teFLOn COated bOLtS Lubricated b7/2h, L7/gr4 PtFe COated b7/2h, L7/gr4, b16/gr4 Stud size torque Stud size torque (inches) lb·ft nm (inches) lb·ft nm nOteS above torques are based on B7/2h, l7/gr4 and B16/ gr4 stud Bolts/nuts only to produce 60% of yield stress. send enquiry for ptfe coated washer to check types & sizes because if your washer type, thread, grade and size matches with our large inventory we can give you at low teflon coated bolts price. This torque table is not intended to communicate the minimum possible torque value to seal GORE® Gaskets. IN-STOCK - Available for IMMEDIATE shipping… Lightning Bolt has one of the largest inventories of PTFE fasteners in North America, including ASTM A-193 B7 Xylan 1424 Stud Bolts Teflon Blue. The major grade used in stainless steel bolts: 200 series, 300 series, and 400 series. Tighten all four nuts to approximately 1/3 full torque. The rotation of a bolt (torque) at some point causes it to stretch (tension). Because the studs remain stationary during nut tightening, the studs stretch in one axis alone, providing much more even and accurate clamping forces. garlock Compressed Sheet die cut gaskets garlock blue gard 3000 die cut gaskets. PTFE Coated Bolts are Nonwetting - Since surfaces coated with PTFE are both oleophobic and hydrophobic, they are not readily wetted. Again, generally a PTFE bolt will have a tightening torque of approximately 60% of that of an un-coated bolt. Use proper torque values. Available in a wide range of colors. Heavy Hex Bolts. Due to the absence of nut locking oxides after extensive exposure to corrosive environments, fasteners with Finish PTFE fluoropolymer coated process do not need to be removed by torching, cutting or nut splitting. K= friction coefficient. B7 studs with 2H heavy hex nuts; with studs, nuts and the nut bearing surfaces lubricated with a never-seize type paste (k = 0. Cover and bolt materials of standard valves will be supplied in accordance with the following table: SPECIFIED BODY COVER ANSI/ASME COVER BOLT DIN COVER BOLT Ductile Iron Carbon Steel ASTM A193 Gr. ) Raised Face Ring Joint 1/2" - 150# 4 1/2 2-1/2. Since the torque value does not change because of the bolt length, standardization is easy. imperialsupplies. The studbolt is a threaded rod with 2 heavy hexagon nuts, while the hex bolt has a head with one nut. clearance to relieve pressure past the upstream seat, and positive preloading to ensure low pressure/vacuum sealing. PTFE Coated Threaded Rod at best price in India. The above torque values are based on 60ksi bolt stress or 15,000 psi gasket stress, whichever is lower. 9 • ASTM A325 High Strength Bolts • Torque Shear Type High Strength Bolts. If bolts are to be torqued "dry", increase wrench setting by 20%. Lubrication of bolts, nuts and nut facings 5. Consult LGT Engineering for flange bolt-up procedure, target bolt stresses, and guidelines for non-standard connections. Additional Resources ASTM: If you are working with A325 structural bolts on a regular basis, we strongly recommend purchasing a copy of the ASTM A325 specification from ASTM International. Low torque requirements mean smaller actuators. Galvanized high strength bolts and nuts must be provided with a supplementary lubricant coating for satisfactory bolt tightening. Available Torque Values for Full Face 1/16" thick gaskets in ANSI B16. Clamp load calculated as 75% of the yield strength for the B7 specified in ASTM A193. Torque Values for API Spec 6A Integral Flanges Using. Further, stud bolts shall be tightened with a proper sequence and by applying a proper torque. Use high-strength A193 B7 machine bolts or studs. Required torque calculations for proper bolt elongation are made based on threaded fastener. Flanged bolts should be tightened in a progressively crisscross pattern, such as tightening the bottom bolt; then, the top bolt; next, the bolts at either side; and finally, the remaining bolts. check the current price of ptfe coated lead screw before you buy ptfe coated stainless steel screws from India. We recommend a four stage tightening method as follows: 1. Frequently used grades are A193 for thread rods and A194 for the nuts. Clamp load calculated as 75% of the yield strength for the B7 specified in ASTM A193. COATING: Stainless steel fasteners, used in many different industries, are coated for lubricity and anti-galling. Specifications • BS 3692 Gr 8. HEAVY HEX NUTS ASSEMBLED. ASTM F593 Bolts are use for broadly useful, and are accessible in seven gatherings. Hexagon screw also called hex bolts, hex cap bolts, hex-cap screws, or machine bolts, are a very common choice when it comes to construction and repair Applications for hexagon screw head bolts can vary from exterior and automotive to marine, coastal, and high temperature environments. The higher the number, the higher the pressure that can be handled. The above calculations are based on the use of a ASTM A193 Grade B7/B16 bolt with a coefficient of friction of 0. 12; This Table is applicable for PTFE coated bolts with K=0. Bolts Manufacturer, Suppliers & Washers Exporters in Mumbai(India) known asM P JAIN. And can offer with salt spray checking report. RC Fasteners & Components offers an extensive online inventory of wholesale industrial fasteners and provides custom, made-to-print fasteners. stem 17-4 ph, b7 bolts. Improvised Torque Wrench ; Bolt Torque Calculator. NOTE 2: The above-mentioned torque values are based on A193 B7 bolts with A194 2H nuts. PTFE Coated Bolts are Nonwetting – Since surfaces coated with PTFE are both oleophobic and hydrophobic, they are not readily wetted. Torque is based the higher of 40% of bolt. Flanged connections make removal and replacement easy. Stud bolt manufacturer,ASME B18. Torque-Tension Relationship for ASTM A193/A193M B7 & A320/A320M L7 Bolts and Studs Clamp Load Specified per API 6A (50% of yield) Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. that torque values do not exceed pipe manufacturer’s torque recommendation. Premium anchor products, nuts, bolts, screws, rivets, drill bits, pins, studs and socket products with free shipping on orders over $100 and hassle free returns. Torque specifications and assembly instructions provided in kit Xylan coated B7 studs and 2H nuts are standard but can be customized upon request Studs shipped in protective sleeves Durable weatherproof tag VSP Clean Flow-LE or FS gasket Lubrication included where applicable Critical installation information and sign-off. DO NOT use these values if a different torque value or tightening procedure is given for specific application. send enquiry for ptfe coated washer to check types & sizes because if your washer type, thread, grade and size matches with our large inventory we can give you at low teflon coated bolts price. Please use the black section markers and green-underlined links, to aid in navigation. Print this page. The included angle is 60°. I wish to DRY torque flanges (ASME B16. 1 Dimensional standards in india at best price. bolts, nuts and studs are difficult to machine. B7 PTFE Coated Studs. The purpose of producing them with a strength of the property class 10. 8 headed bolts, Structural Bolts and Machine Screws. bolting torque table 4 - use only with 6061-t6 aluminium flanges. F x F = Fixed x Fixed F x R = Fixed x Rotatable R x R = Rotatable x Rotatable. Both the grade symbol and manufacturer's identification are applied to the heads of bolts and one end of studs. Cleaning and painting of bare steel bolts in the field is likely to be difficult, expensive, and in some cases, not feasible. We also provide these Stainless Steel Fasteners Bolt, Nut, Screw and Washer along with manufacturer test certificate as per EN 10204 / 3. K=torque-friction coefficient, D= nominal bolt diameter, in. 5 Flanges Flange & Nominal Pipe Size Flange Studs Wrench Size Stud Bolt Length No. 0 Crosshead and Crosshead Pin Configuration - Nodular iron box type crossheads with shoes at top and bottom. For connections utilizing high-strength bolts and slip critical connections verify bolt position and tightness at installation. bolting torque table 5a - cold. If bolts are to be torqued "dry", increase wrench setting by 20%. A193-B7 Suggested Assembly Torque Values The tapped hole or nut must have an equal or greater proof load than the stud's minimum ultimate tensile strength. We use SS316 bolts for fastening the parts, these parts are dipped in chemicals. Bolt Types Available: Hex Bolts, Shoulder Bolts. • A force measuring load cell is placed in the joint some place between the bolt head and nut, and torque is ap- plied through an electronic torque transducer with angle encoder. At Highland Threads our primary goal is to provide our customers with the fastener products they need right when they need them. Due to the wide variation of FRP flange materials, designs, and manufacturing processes, the user must confirm that torque. Here are 4 of the best impact wrenches for 2019. Buy Super Duplex Fasteners in UK from Siddhagiri, one of the leading Bolts and Nuts suppliers in Europe. Inventory MSI Supply stocks B7 stud bolts from 1/2” - 2” diameter in: Plain (black) finish, Teflon Blue, and Cad Plating. Air impact gun c. Rec'd/Avail. 8 zinc plated finish bolts. (g) Torque the first two studs at diametrically opposite locations, 1 and 2 in Figure 1 to a maximum of 30% of the final torque value specified in. The screw head is designed to fit a ratchet or spanner torque wrenches allowing you to tighten the screw to your exact specifications. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Grade 2, 5, and 8 values are for slightly lubricated bolts. It is now apparent to me that here too, smaller bolts should have been used. PTFE Fasteners - Xylan Coated Stud Bolts and Nuts - IN STOCK. High performance materials for extremely corrosive, high temperature, light weight, non-conductive, high strength and ultra-pure applications. , and assume Alloy Steel Bolts (A193 B7 w/ 2H Nuts) with oil/graphite lubrication. B7 threaded studs and short, headed bolts are readily available in the marketplace. Size Grade MAOP @ 20°C MAOP @ 250°C MAOP @ 400°C 8 x 3/8” ASTM F593C/G 235 bar 181 bar 155 bar 8 x 3/8” ASTM A193 B7/B8M 345 bar 261 bar 227 bar Based on the assumption bolts and body materials has same expansion coefficients. PTFE coating on fastener’s will have a uniform thickness of 20 ± 5 microns to 45± 5 microns thick. Use to determine Torque, Bolt Load and Percent Yield of Maximum Load of Bolts. THREADS OF STUD BOLTS. See Appendix E, Table 4 of ASME B31. ACRIS - PFA Lined ISORIA - Elastomer Lined MAMMOUTH - Large Diameter Elastomer Lined.