BOLT AND NUT BEARING SURFACES SAE & ASTM Bolt Grade SAE & ASTM Bolt Grade Identification Marks . Free Download Bolt Torque Chart (pdf, 45KB) and Customize with our Editable Templates, Waivers and Forms for your needs. High strength steel bolts with associated nuts and washers One of the significant shortcomings of the previous AS/NZS 1252 was the lack of definition of the performance requirements of the bolt assembly, comprising the bolt, nut and washer acting together. bolt grade markings and strength chart pdf The BSWBSF range of tensile strength and the thread is either a Whitworth. Reference to Table 1 shows that the yield strength of a Grade 8 bolt is higher than the ultimate strength of a Grade 5 bolt. NOTE 2—For grades of alloy-steel bolting suitable for use at the lower range of high temperature applications, reference should be made to Specification A354. SAE J429 Grade 8 K = 0.15 4169 K = 0.15 K = 0.17 K = 0.20 Unified Coarse Thread Series Fine Thread Series 3544 K = 0.15 383 91 325 78 287 68 327 157 K = 0.17 281 492 784 201 1195 2358 3127 1016 2004 239 418 666 171 588 896 1768 211 151 3024 120 240 420 669 1020 2012 3557 568 867 1710 204 357 66 90 180 315 58 146 102 369 Nominal Dia. UU.S. Torque - FT LBS. Always check with the equipment/bolt manufacturer. Bolts with a wood thread and Bolt users may require a bolt head or nut of greater width to compensate for wide clearance in bolt holes or unusually heavy loading. and Mechanical Properties Bolt Grade Identification Marking . Tightening Torque Clamp Load (lbs.) Stainless steel grade chart ATLAS STEELS – SPECIALTY STEELS PRODUCT REFERENCE MANUAL SECTION 9: APPENDICES Printed November 2000 1 S9 Chemical analysis (%) specified Grade UNS No. B7 STUD BOLT WITH GRADE 2H. 67608 Stud, Stain.Steel 67623 B 8 X Symbol for identification of grade, i.e., “B8”, applied to head. In addition to the "BD" marking, the product may be yield stress) bolt tension based on 50 percent yield b7 0.109 3/4 x 10 1-1/4" 0.334 105,000 17,550 120 110 137 154 165 172 219 329 120 7/8 x 9 1-7/16" 0.461 105,000 24,229 193 177 221 247 265 277 353 530 193 1x 8 1-5/8" 0.605 105,000 31,785 289 265 331 371 397 416 530 795 289 ** Torque values for 1/4" and 5/16" sizes are in inch lb. Lubricate all contact areas of the bolts and washers. a-354 grade bd a-490 type 1 a194 grade 2h *zinc coated as per astm a153 **plain or zinc coated washers shall be f-436 with same finish (plain or zinc coated) as the bolt. Fillable and printable Bolt Torque Chart 2020. Read user Insights about Bolts . Grade-B bolts have looser tolerances and can be manufactured in a cold or hot-forging process. yield of 41 tonf/in 2 These torque values are for guidance only! Lubricated refers to ... GRADE 5 COURSE THREAD BOLT size-pitch LUBRICATED WITH ANTI-SEIZE in-lbs Nm in-lbs Nm 1/4”-20 91 10 61 7 ft-lbs Nm ft-lbs Nm 5/16”-18 16 22 11 15 3/8”-16 28 38 19 26 in Material FASTENER SIZE CHART 2531 E. Jensen Ave, Fresno, CA 93706 | P: 559-485-8658, F: 559-485-8674, E: info@frontierfastener.com www.frontierfastener.com Frontier Fastener makes no warranties as to the accuracy, completeness and reliability of the information on this page. Steel Bolts - Metric Grades ; Steel Bolts - SAE Grades ; For metric bolts strength is according ISO 898 Mechanical properties of fasteners made of carbon steel and alloy steel described by "property classes" with designations 4.6, 4.8, 5.8, 8.8, 9.8, 10.9 and 12.9. POCKET BOLT REFERENCE CHART 155 Southbelt Industrial Dr., Houston, TX 77047 P: 713.910.1028 F: 713.910.1227 800.460.1028 www.fluidsealingproducts.com Appendix C Bolt Grade Markings and Strength Chart 29 Appendix D Letter and Number Decimal Equivalents 31 . P = grade UTS of 35 tonf/in 2 and min. C Si Mn P S Cr Mo Ni Other 253MA S30815 0.05 1.1 - 2.0 0.8 0.040 0.030 20.0 - 22.0 10.0 - 12.0 N 0.14-0.20-0.10 Ce 0.03-0.08 www.fnw.com. bolt grade chart pdf, Bolt Grade Markings and Strength Chart Grade 2 Low or Medium Carbon Steel Unit Conversions Other Useful Information Printable Fastener Tools No Markings Grade 5 More Printable Tools Our Printable PDF Tools Page has more charts and tools, in PDF format, that you can print and use in your shop. Manufacture’s identification mark, e.g., “X” (on head of bolts and screws and on one end of studs and studs-bolts). properties of grade 8.8 bolt & nut (iso) bolt size pitch stress area mm2 bolt/stud/screw iso 898-1 gr.8.8 nut iso 898-2 gr.8 proof stress n/mm2 proof load kn tensile stress n/mm2 tour-que* n-m hard-ness hrc elonga-tion# % proof stress n/mm2 proof load kn hard-ness hrc m6 1 20.1 580 11.7 800.0 9.4 22-32 12.0 855 17.2 30 max Applications/ Advantages Has greater tensile strength than Class 4.6, 4.8 and 5.8 bolts. The values shown in the chart are to be used as a mid-range guideline. Grade 8 Bolts, Screws, Studs Medium Carbon Alloy Steel, Quenched and Tempered 1/4 thru 1-1/2 120,000 130,000 150,000 ASTM A354 Grade BD Alloy Steel, Quenched and Tempered4 No Grade Mark SAE J429 Grade 8.1 Studs Medium Carbon Alloy or SAE 1041 Modifi ed Elevated Temperature Drawn Steel 1/4 thru 1-1/2 120,000 130,000 150,000 A490 Tightening Torque min max min max min max min max AS/NZS 1252:1996 made the tacit assumption that if each of the components was within 2) Material Notes : SAE Grade 1 1/4 to 1 1/2 227.5271 413.6856 1 . Plow Bolts Similar to carriage bolts but used for attaching the cutting edge of a plow to the plow blade. torque guide for astm a193 grade b7 and b16 bolts (105,000 p.s.i. in diameter or less, other than those excepted in 6.4, shall be tested full size and shall conform to the requirements for tensile strength specified in Table 3. IFI-100 does not govern lock nuts above 1". Bolts with a smooth rounded head that has a small square section underneath. Grade C lock nuts equal 75% of the bolt proof loads specified for SAE J-429 Grade 8, and ASTM A-354 Grade BD bolts. Figure B7. ASTM A 193 Grade B8 Class 2 Fill, sign and download Bolt Torque Chart online on Handypdf.com Specs : Nominal Size (inch) Proof Load Stress (N/mm2) Tensile Strength (N/mm. Bolt Grade Markings and Strength Chart Grade 2 Low or Medium Carbon Steel Unit Conversions Other Useful Information Printable Fastener Tools No Markings Grade 5 More Printable Tools Our Printable PDF Tools Page has more charts and tools, in PDF format, that you can print and use in your shop. english bolt appropriate nuts a-307 grade a diam < 1.5" diam > 1.5" a-325 type 1 a 563 grade a** hex a 563 grade a** heavy hex a 563 - c,c3, d, dh*, dh3 a 194-2,2h* Dry. • Stamping of F1554 and A307 grade C bolts is a supplemental requirement while color coding is required. Hollo-Bolt® Type HB - Hollo-Bolt® Cavity Fixings 2 Grade 8 Bolt Drill & Torque Chart in foot pounds . Hex Bolts Carriage Bolts Lag Bolts Bolts with a hexagonal head with threads for use with a nut or tapped hole. Steel Grade SAE 5 SAE 8 Socket Head Cap Screws Property Class 8.8 10.9 12.9 Socket Head Cap Screw Torque in Pound Foot or (Pound Inch) Torque in Newton Meter - Nm Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. Abbrevi-ated HHMB or HXBT. Clamp loads are based on 75% of the minimum proof loads for each grade … Also, keep in mind that torque specs will be less for bolts that have oil or lubricate on them than for clean, dry bolts. Tightening Torque Clamp Load (lbs.) Torque - FT LBS. This head variant is the usual choice for the majority of SHS connections, or where architects favour an ‘industrial’ look. Torque Specifi cation Chart The following torque values are to be used on all fasteners unless otherwise specifi ed. 6.2 GradeAand B bolts and studs 1½ in. Grade-A bolts are the preferred style for most applications. Lubricated . HOME; ... Bolt Torque Chart . For such needs we offer heavy bolt heads and nut sizes. Features • • Sold•in•Individual•Sets•or•Box•Quantities 510.2122 : over 3/4 thru yield of 21 tonf/in 2, S = grade UTS of 50 tonf/in 2 and min. The only “gotcha” with the Grade 8 bolt is that, being harder, it is more “notch sensitive.” • All Grade BD products shall be marked "BD". 1/4" - 20 #7 .201 12 9 . All other torque values are in foot lb. Bolt Depot - Standard U.S. Hex Bolt Sizes and Thread Pitches.pdf. GRADE MARKING REQUIRED MARKINGS ASTM A 193 Grade B8 Class 1 Regular Series and Heavy Series. A hex bolt with metric thread pitch made from medium carbon steel and heat-treated. Size Threads/Inch Tap Drill Size Decimal Equivalent. U.S. 1/4 thru 3/4 : 379.2118 . Bolt Grade Markings and Strength Chart. BOLT GRADES SAE 2 SAE 5 SAE 7 SAE 8 PIPING PRODUCTS. Attached is a.pdf Adobe Reader version of the chart. The Grade 5 bolt will therefore always fail first whether in tension or shear. Grade 8 Bolts, Screws, Studs Medium Carbon Alloy Steel, Quenched and Tempered 1/4 thru 1-1/2 120,000 130,000 150,000 ASTM A354 Grade BD Alloy Steel, Quenched and Tempered4 No Grade Mark SAE J429 Grade 8.1 Studs Medium Carbon Alloy or SAE 1041 Modifi ed Elevated Temperature Drawn Steel 1/4 thru 1-1/2 120,000 130,000 150,000 A490 2013-повідомлень: 4-авторів: 2Found this and thought it may be useful. SAE Grade 2 . BOLT GRADES.S. Heavy nuts are quite common and readily available in various types and sizes but heavy head bolts have more limited availability. TORQUE-TENSION RELATIONSHIP FOR A307A, GRADE 5, 8 & 9 BOLTS Locknut Size Threads per inch Steel Hex Locknut Steel Hex Flange Nut Grade C FNL Grade 9 Grade F Grade G Clamp Load (lbs.) Tightening Torque Clamp Load (lbs.) yield of 40 tonf/in 2, T = grade UTS of 55 tonf/in 2 and min. Grade 2 calculations only cover fasteners 1 ⁄ 4 “-3 ⁄ 4 ” in diameter up to 6″ long; for longer fasteners the torque is reduced significantly. Image credits: MSC; CFC Distributors; Admiral Ship Supply . 6.1 Grades A and B bolts and studs shall conform to the hardness specified in Table 2. The Hollo-Bolt collar and hexagonal head of the Grade 8.8 bolt are evident above the surface of the steel section. AS/NZS 1252.1 – Bolt assembly functional characteristics. Use of … Recommended Bolt Torque Table Size Recommended Torque Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine * #4 - - - - - - 5.2 - 4.8 - 4.3 - * #6 ... Grade 2, 5, and 8 values are for plated bolts. 2 Introduction: Engineering Design Representation Despite advances, 2D mechanical drawings are still the most popular format for design documentation. U-Bolts and Eye Bolts Anchor Bolts & Bent Bolts 11-1 A-Bolts, Standard 11-2 U-Bolts, Long Tangent 11-3 Eyebolts-Regular Pattern 11-4 Eyebolts-Shoulder Pattern 11-5 Rod End Eyebolt Blanks 11-6 Metric Fasteners Hex, Head Cap Screws 12-1 Weights of Hex Head Cap Screws 12-2 Socket Cap Screws & Flat Head Socket Caps 12-3 min. Lubricating the bolts is the suggested method. • Although markings are shown on hex heads, grade markings apply equally to products with other head configurations. Use the following tables to determine bolt grade and torque specs. HEAVY HEX NUTS ASSEMBLED. NOTE 3—For grades of alloy-steel bolting suitable for use in low temperature applications, reference should … A bolt that has been tightened beyond recommended torque specs can easily break in service. 6.3 Grade A and B bolts and studs larger than 1½ in. Sizes and thread Pitches.pdf and washers the Grade 8.8 bolt are evident above the surface of steel. Or shear, S = Grade UTS of 50 tonf/in 2 and.... 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