Standard bolt torque chart. 75 Refer Table 2D, AWWA C207 No.
Standard bolt torque chart ** Torque values for 1/4" and 5/16" sizes are in inch lbs. 14. txt) or read online for free. Find torque-tension requirements for lock nut assemblies of different sizes and grades. Use the unit converter to change the units of torque, force, and other properties. Formulas for the above parameters. hi-force. 6. Understanding Standard Bolt Torque Charts. 315 10 16 22 27 14 mm The following table shows the tightening torque for metric fine thread fasteners. 1 Square and Hex Bolts and Screws B18. Defines the Coase Pitch and Fine Pitch series. Flange bolt torque. 1). Proof Load (lbs)1. So, you’re sure to find a chart that suits Boltmasters has technical data for your bolt requirements, including torque settings and breaking loads. Under/over tightening of fasteners can result in costly equipment failure or personal injury. Breaking Load for Hex Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM Extreme caution should be used when using a formula for torque/tension relationships. Torque values are not given for martensitic, (C1, C3, C4), or ferritic, (F1), grades. Page – 3/5 – Chart 3: Possible torque values for metric bolts with SIW 6AT-22 + SI-AT-22. Find suggested tightening torques for standard bolt sizes in inch-lbs for different materials. 5 62 84. You can find charts from different manufacturers, as well as charts from automotive and aviation companies. 9 Hex Flange Bolts Standard Pitch; Metric Grade 10. Illustration 3 g06223470 2. The chart covers bolts, screws, nuts, washers and studs with various tensile strengths and diameters. 2 - 3. Torque past yield ±3 to ±l0: Use "soft" bolts and tighten well past yield point. Minimum breaking torque values. (for reference purpose only) 3. Let us ease your workload! Order metal fabrication from Fractory and experience the benefits yourself: 1-1 engineering support, Recommended thightening torque metric bolts. • Threaded portions and bearing surfaces should be dry. -lbs. The following suggested tightening torques provide an excellent starting point for determining torque requirements. Tensile Stress Area. Lubricated Bolts and Reduced Torque Lubrication effect on bolt tension and torque. 8 bolt - WDS Torque Chart-1 - Free download as PDF File (. 13. 16; This Table is applicable to Never-Seize paste and Fel-Pro lubricant, K=0. diameter (Table 5. Torque 7. 9 371 440. 6 covers dimensional standards for A325 heavy hex structural bolts RCSC: The Research Council on Structural Connections is a non-profit, volunteer organization whose research ISO Standard Topic What’s Include? ISO 261: Possible Combinations: Lists in a chart all the possible Diameter/ Pitch Combinations. 9 12. AFT Fasteners is your trusted source for fastener information. Lubricate all contact areas of the bolts and washers. 9 Hex Flange Bolts - Fine Pitch; Metric Socket Head Cap Screws . Clamp Load (lbs)2. 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. 35 "dry" Tightening Torque listed in Nm as well as US Customary Units inch-pounds up through M10 and foot-pounds M12 and larger. 25, and plain non-plated bolts (as received) = . 7-47. Clamp Load . Please find all technical information in the following metric bolt torque chart. All-Pro Fasteners, Inc. Verify that the lines are broken. Compare SAE Grade 2 and ASTM A193 Grade B7 bolts with proof load and clamp load data. from the products’ manufacturer or taken from consensus standards, and is in no manner originated, developed, created, enhanced, Bolt size charts typically list bolts by their diameter in inches or millimeters and provide corresponding information such as thread pitch, bolt length, and sometimes the head size or type. Torque values calculated from formula T=KDF, where Bolt diameter, d Inch 1. 20. Torque has been converted into ft/lbs by dividing the result of the formula by 12 ; All calculations are for Coarse Thread Series (UNC). An M3 threaded bolt has a 3 mm diameter and, similarly, an M5 threaded bolt has a 5 mm diameter. %PDF-1. 1M Metric Socket Head Cap Screws 2. These charts are typically developed by manufacturers or industry standards organizations based on empirical testing and data. Enquiry Cart Breaking of Yield Loads of Bolts & Set Screws. Bolt stretch ±1 to ±8: Use bolts with flat, parallel ends. Control bolt hardness, finish, and geometry. It defines the minimum bolt pretension as 70% recommended torque values lubricated stud bolts w/0. Suggested bolt tightening torque in N·m (Newton metres) Wrench/spanner test torques in accordance with DIN ISO 1711-1 (minimum guaranteed values) N·m These torque levels are guideline values for metric standard threads in accordance with DIN ISO 261 and head sizes in accordance with DIN EN ISO 4762, DIN EN ISO 4032, DIN EN ISO 4014, TORQUE TABLE IOS 898-1 Metric Bolt Torque Table Estimated with clamp load as 75% of proof load as specified in ISO 898-1 Property Class 8. This chart is in particular beneficial for quick reference all through meeting or renovation obligations. Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. Illustration 2 g06223468 4. Author: Metric Grade 10. 13M Plot torque vs turn and compare to previously derived set of curves. Bolt Torque Chart. Multiply the average torque by . 5 %âãÏÓ 4 0 obj > endobj xref 4 73 0000000016 00000 n 0000002062 00000 n 0000002122 00000 n 0000002850 00000 n 0000002988 00000 n 0000003152 00000 n 0000003501 00000 n 0000003961 00000 n 0000004444 00000 n 0000004600 00000 n 0000004644 00000 n 0000004688 00000 n 0000004732 00000 n 0000004767 00000 n This document provides bolt torque charts with suggested starting torque values for bolts of various sizes, grades, and surface finishes. 8 and 19. com Author: MartinSupply. For bolting specifications that do not have a published proofload, it is usually calculated at 92% of ultimate yield strength. Grade 8. 15 friction value nominal quantity bolt nominal quantity bolt nominal quantity bolt pipe size of bolts diameter min max pipe size of bolts diameter min max pipe size of bolts diameter min max 1/2 4 3/4 95 120 1/2 4 3/4 95 120 1/2 4 3/4 95 120 3/4 4 3/4 95 140 3/4 4 3/4 95 120 3/4 4 3/4 95 120 Bolt Torque - Astm & Iso - Free download as PDF File (. Bolts: Tensile Strength & Proof Load Specifications Tensile strength and proof loads SAE bolts. Recommended Torque for Clean and Dry Imperial Fasteners in ft. Hotline: +49 (0)7361 / 571 70. 6 11 8 16 12 8 436597. OTHER BOLTING TORQUE TABLES. 95 164 90. The torque, or the moment of force, can be measured either dynamically, when the screw is tightened, or statically, by checking the torque with a torque wrench after tightening. 9 When looking at the bolt torque chart, the thread column indicates the bolt diameter in millimeters (mm). Round 2: Tighten to 50% to 70% of Target Torque usind cross pattern. Bolt Torquing Chart METRIC STANDARD Grade of Bolt 5D 8G 10K 12K Minimum Tensile Strength 71,160 PSI 113,800 PSI 142,200 PSI 170,679 PSI Size of Socket or Wrench Opening Metric Foot Pounds Metric Bolt Dia. ASTM A307. • IFI-100 does not govern lock nuts above 1". 8- Grade 2, 5, and 8 values 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. Find the torque values for different types of fasteners, materials and body sizes in this chart. Please contact Hi-Force for more information. 30 Total axial force acting on bolts, F pbf All values other than suggested torque amount are sourced directly from flange bolt charts and flange torque charts in the ASME B16. Download TORQUE GUIDE FOR ASTM A193 GRADE B7M BOLT TENSION BASED ON 40 % YIELD First Pass Second Pass All Subsequent Passes 0. Specific Set Screw Size Charts for Different Point/Drive Types. 9 Class 12. Bolt torque chart for hdpe flanges. This document provides a table with recommended assembly torques for ISO metric coarse pitch bolts and screws Bolt Size AS1110/1 - ISO 4014 AS1252. S. These metric bolt torque charts show the ideal tightening torque for class 8. 9: 11. 02. 16 for "lubricated" conditions K = 0. It gathers the three required variables to understand and determine the maximum recommended torque for your bolt: bolt size, bolt Grade 2, 5, and 8 values are for slightly lubricated bolts. 16. 2 in design. 15 30% 60% 100% 3/4 x 10 1-1/4" 0. 6 Low or medium Carbon Steel CUP HEAD SQUARE NECK AS/NZS 1390 4. Bolt Tightening Torque Chart: Standard Bolt Sizes at a Glance. Tapping Drill Size Chart. Extreme caution should be used when using a formula for torque/tension relationships. 8 (metric) and ‘Bolt load / Stress calculation’. 76 . 2. 2 - - Tension in Bolt Force Torque Clamping Head Marking Strength and Material Bolt Type Standard METRIC 4. Round 1: Tighten to 20% to 30% of Target Torque usind cross pattern. 6 Class 8. Round 3: Tighten to 100% of Target Torque usind cross pattern. Calculate: Hit the calculate button to get the precise torque value. Aktualisiert am: 13. in diameter and greater (Table 3. This article will use an M12 thread to describe the bolt size. Print this page . K = 0. 00 Primary Metals The below table should be used as a guideline for the correct torque to be applied to standard size metric and imperial bolts in grade 8. Bolting torque to develop 50% Bolt Yield Stress at Nut Factor, K=0. The chart is designed to ensure that the bolts are tightened to the correct tension, providing a reliable seal without Bolt head/Wrench size to bolt diameter conversion chart: Standard recommended torque spec for each size bolt: Conversion factor based on bolt condition (reduce by 30% for heavily greased [anti-seized] bolts): Coefficient The yield strength for strain-hardened bolts varies with diameter. Take a look through our range of downloadable info docs - Range of helpful tables, charts, drawings, conversion charts, standards and more. 9. 0 mm: Grade 8. The following chart appears in the 2019 Atlas Copco Industrial Tools and Solutions catalog. 1 DIN931/3/4 DIN6921 JIS B1189 METRIC M1. 6 to 12. 461 80,000 14,768 117 108 135 151 162 169 215 323 162 48 97 162 Title: FASTENER TORQUE CHART - MartinSupply. ISO 724 - Metric Threads Dimensions of metric threads according ISO 724. 3M Metric Heavy Hex Screws B18. 4 5. Each type of set screw can have slightly different size standards based on its point style, drive type, and intended Unlike most bolt torque charts, this particular chart also lists clamp loads and torque values that correspond with bolt material stresses of 10,000 and 25,000 psi regardless of fastener grade. Using a bolt torque chart is an alternative method that can simplify the process of determining the correct torque for fastening bolts. 4. It defines the minimum bolt pretension as 70% of the tensile strength minus the stress area. The charts list bolt size, grade, proof load, clamp load, and recommended torque ranges for plain, zinc 8531 S. 8, 10. This chart displays values for lightly oiled threads. Revised values for pre-installation verification testing and for pretension for Group 120 bolts larger than 1 in. The stud bolt and nut torque chart shows the sequence to use, and the force to apply, to stud bolts used to tighten flanges (by flange class). : ISO 68: Basic Profile: Defines the basic profile of the thread including Pitch, Pitch Diameter, Heights, etc. In developing this information, Fastenal has made a determined effort to present its contents accurately. 9 Metric Course Thread Nominal Dia has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. The larger the bolt, the more torque is needed to achieve the required joint force. M2 x 0. These values are based on the formula above, with the torque coefficient K and desired preload F determined through extensive testing and analysis. Below is a quick reference chart showcasing common bolt sizes and their corresponding torque values (based on standard friction coefficients and Torque values calculated from formula T=KDF, where Lubricated Clamp Load F based on 75% of Yield Dry Clamp Load F based on 40% of Yield to avoid Galling. 16 This Table is applicable to Never-Seize paste and Fel-Pro lubricant, K=0. 2 - 4. Control bolt hardness and dimensons. 3 - * #6 Grade 2, 5, and 8 values are for plated bolts. 2362 5 6 8 10 10 mm 8 mm . 8 (metric) and ASTM A193 grade B7 (imperial) or similar. Mark bolt head corner to abutment. Table 8. Tightening Torque (ft lbs) Galv+Waxed. CADceptual Design J www. A torque chart for bolts enables visualizing the recommended torque settings for various bolt sizes and grades. 8 Class 10. ASME: ASME B18. 9, and 12. 7 Nm Grade 5 High Tensile Bolts [Same as SAE J429 Grade 8) AS/ us 2465 Diameter & Thread Sizes not covered in standard. 00-36 • Use specified bolts and nuts, tightening them to the torques specified in this section unless otherwise stated. 5 "Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard" (2017). 23 Section 6 Appendix 12/21/01 RCR15 Series Rotary Cutters 312-556M Land Pride Section 6 Appendix Torque Values Chart for Common Bolt Sizes in-tpi1 N · m2 ft-lb3 N · m ft-lb N · m ft-lb mm x pitch4 N · m ft-lb N · m ft-lb N · m ft-lb 1/4" - 20 7. Step by step selection of the right bolting setting: Bolt Diameter Standard Thread Length (mm)* Bolts 125mm and shorter Bolts longer than 125mm 3 12 -- 4 14 -- 5 16 22 6 18 24 7 20 26 8 22 28 10 26 32 12 30 36 BOLT STRENGTH DATA BOLT TORQUE TABLE . These charts are commonly used in construction, manufacturing, automotive repair, and other industries where fasteners are essential. a. 8 Strehngth class - V2A screws ASME Flange Bolt Torque Value Chart. 3 AIAG Standard:6 AIAG B-5 02. diameter are based on 30 ksi yield strength. Bolt Head 6 mm . 9: 13. = . 1/2 in. U. Truss Head Rivet Dimensions. Lubricating the bolts is the suggested Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. TORQUE GUIDE FOR COMMON SIZES OF THREAD AND BOLT TENSILE CLASSES. 15. Tightening torque for stud bolts ASTM 193 Grade B7, ASTM 193 Grade B16 standards. 8 10. 7 527 lbf 1 Recommended torque values (inch-pounds). The values are based on clean, dry The ASTM A307 is an ASTM International standard for carbon steel bolts and studs ranging from 1/4 inches through 4 inches in diameter which is set by the standards organization ASTM International. 6 thread torque Tth STUD BOLTS TORQUE CHART. Metric Thread Class 4. The following are general reference tables to ASME Flange Bolt Torque Standard. 1 Minimum Bolt Pretension moved to Table 5. 20: The thread pitch is 20 threads per inch (TPI). 9 based on ISO 898-1. Dec. Grade-5. 5. 4 Socket Head Cap Screws; Torque Chart . Data for sizes above this is given for information only. 45 248 302. neither employs nor maintains an engineering or by All-Pro Fasteners, Inc. Due to many variables that affect the torque-tension relationship like human error, surface texture, and lubrication the only way to determine the correct torque is through experimentation under actual joint and assembly conditions. Grade-2. ASTM A325 is an ASTM (American Society of the International Association for Testing and Materials) International standard for heavy hex structural bolts. The values shown in the chart are to be used as a mid-range guideline. 52 Flange Internal Area, A inch2 2845. Check flange gap around circumference for uniformity. 4 Nm; Grade 12. 6 8. Tightening torque values are not given in this standard. The tension is 85% of the proof load. 2025 | General. 10, hot dip galvanized = . 2 ASME Standards:5 B18. 20 2. 266 310 912 1064 If you need to torque a critical fastener and you can't find a manufacturer's torque spec, you can use the charts below for the maximum recommended torque values for different grades and sizes of fasteners. 4 Nm; Grade 10. This applies to ‘grades’ A1, A2, A3, A4 and A5. Use consistent snugging torque. ft Nm. Standard Torque value charts usage. com. In the List you find the metric fine torque unit in Nm and ft lbs. 1. www. 12 K = 0. Compare the bolt markings, material strength, and proof load of grade 2, grade 5, and grade 8 bolts. 2). 7. of bolts Nos. IMPERIAL Grade 8 bolts, allow a torque variance of ± 5% either way Bolt size Thread lb. This document provides standard torque values for metric fasteners. 3. Standard Bolt torques for imperial and for metric bolts Standard Torques for Imperial Bolts Imperial High Tensile Bolts - Table of Standard Torques IMPERIAL Grade 5 bolts, allow a torque variance of ± 5% either way . Diameter & Thread Pitch . 9 Socket Head Lubed means cleaned dry bolts lubricated with a standard medium viscosity machine oil. RECOMMENDED STANDARD TORQUE RANGES ARE GIVEN IN TABLE 2-1 THROUGH TABLE 2-7. Given here is the bolt torque chart for the ASTM A307 bolts. Plain: Min: Max: Min – Max: Min Max: 1⁄2: 13: 12000: 14000: 50 – 58: 100 – 117: 5⁄8: 11: 19000: 23000: 99 – 120: 198 – 240: 3⁄4: 10: Nut Weight Chart Standard Thread Pitch Chart Torque Chart Technical Dimensions Finished Hex Bolt Dimensions Finished Hex Nut The bolt is stressed up to the proofload value, and if there is no deformation, elongation, or fracture, then the bolt is deemed to have passed. It lists the maximum safe torque values in both foot-pounds and Newton-meters for bolt sizes from M3 to M30, grouped by relative strength grades 4. 5-2020 standard provides templates for drilling Class 150, 300, 400, 600, 900, and 1500 pipe flanges and flanged fittings. uk . The bolt’s class indicates its material strength, with higher numbers meaning higher tensile and yield strength. To locate the correct Standard Torque for a bolt and nut, the following must be known: (1) Type of bolt used (AN, The best part is that many of these bolt torque chart PDFs are free to download and print. SAE Grade 2 Bolt Size (in) TPI Proof Load (lbs) Clamp Load (lbs) Tightening Torque (ft lbs) Waxed Galv Plain In this article, we’ll go through a complete guide of bolts, which involves bolts definition, types & uses, dimensions explain, and the standard bolt sizes chart in metric and imperial. Round 4: Continue tightening the bolts, but on a circular clockwise pattern until no US Recommended Bolt Torque. Grade-8 . 6 i) Bolts of property class 8. 9 as covered in IS 3757 : 1958 ‘High strength structural bolts ( second revision )’ have been specified. You can also made an conversion from the unit Nm to ft lbs and also from ft lbs to Nm. These torque specs are to be used on clean, dry threads. Dry Torque. Imperial and metric Thread sizes for coarse and fine pitch thread were created using the standard sizes from ASME B1. The torque figures are calculated in both metric (Nm] and imperial (lbf. BOLTING TORQUE TABLE 1 - ASTM The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. The ASME Flange Bolt Torque Chart provides recommended torque values for a variety of bolt sizes and materials. Maximum tightening torques for coarse threaded metric bolts. Standard bolt torque charts are essential tools for ensuring proper fastener installation; These charts provide recommended torque values based on bolt size, material, and strength grade, and are critical for avoiding under- or over-tightening․ Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. co. This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes. Clamp load calculated as 75% of the proof load when specified by the standard. STANDARD ISO 16047 First edition 2005-02-01 Fasteners — Torque/clamp force testing overall torque applied on nut or bolt head in tightening 3. Approximate Torque Nm Grade 4. This listing may be useful when U. Bolt size Thread lb. 9 bolts for both wet and dry tightening. 6 3. • Where the property class differs between the nut and bolt (or stud bolt), use the tightening torque specified in the table for the bolt. 3. Calculate required bolt torque. When looking at the bolt torque chart, the thread column indicates the bolt diameter in millimeters (mm). All other torque values are in foot lbs. Coarse pitch threads are preferred and should be used whenever possible, as stated in ASME B1. com Subject: Fastener Torque Chart Keywords: torque, chart, guide, fasteners, fastening, martin Bolt Torque Chart Suggested Starting Values. TORQUE VALUE CHART FOR HI-FORCE HYDRAULIC TORQUE WRENCHES TORQUE VALUE CHART FOR HI-FORCE Grade 8 Bolt Drill & Torque Chart in Foot Pounds This technical information is supplied as a courtesy. 13M. lbs, kgf·m}) In the List metric bolt torque chart you find the metric torque unit in Nm and ft lbs. These reference parameters are based on the flange bolt tightening torque calculated under Bolt torque chart reference guides include Grade 2, B7, A307, A325, Grade 8, A490, and Grade 5. Bolt torque chart for rtj flanges. Method 2: Using a Bolt Torque Chart. (BOLTS LOADED PRIMARILY IN SHEAR) MAXIMUM ALLOWABLE TIGHTENING TORQUE LIMITS Thread Size Tension type nuts MS20365 and AN310 (40,000 psi in bolts) Shear type nuts MS20364 which has no superseding MS standard. 5 yield tightening torque Ty tightening torque with which yield clamp force is gained 3. cadceptual. Improvised Torque Wrench Improvise a torque wrench with a luggage scale. Equiv. 6 CLASS 4. Welcome Guest | 877-844-8595 Contact Us Search; Sign In or Create an Account; Request A Quote Reorder This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes. This document provides specifications for bolt torque according to AISC ASD Part 5. A drawing with the above thread parameters. Find the ideal tightening torque for different sizes and grades of SAE bolts. Unified Thread Standards: UNC & UNF Size Charts & Specifications ANSI/ASME How to Read a Imperial Set Screw Size (Example: 1/4-20 x 1) 1/4: The nominal thread diameter is 1/4 inch. Torque-Tension Relationship ISO 898-1 Property Class 4. ft Nm 1/4 inch 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). Bolt Torque - Astm & Iso - Free download as PDF File (. 9 & 12. Rivet Chart. Torque values for bolts greater than 1. 2. Bolt torque chart for flanges. pdf), Text File (. 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. These figures are intended as a guide to achieving optimum performance from your nuts and bolts. Estimated reading time: 5 minutes. Find suggested starting torque values for different bolt sizes, threads per inch, and materials. 6, 8. . 8 - 4. doc), PDF File (. Using a calibrated torque wrench, tighten the bolts or machine screws until failure and record the maximum torque achieved in each failure. This document provides a torque table for metric bolts with minimum tensile strengths of 8. Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. ii) In addition to friction type joints, joints subjected to tensile force only in the direction of the bolt axis and bearing type joints have been covered. TWELVE POINT, EXTERNAL WRENCHING BOLTS, (NAS624 Bolt Size TPI Tension Tightening Torque Range; Galv. Flange Bolt Template: Simplifying Pipe Fitting Reference ----- The ASME B16. 9 M6 4 NM 9 NM 13 NM 17 NM M8 9 NM 22 NM 32 NM 41 NM M10 17 NM 44 NM 63 NM 81 NM This shows torque values in Nm for property classes 50, 70 and 80 as shown in the table below. Flange torque tables. Freeway Drive Macedonia, Ohio 44056 United States | Phone: 1-800-232-2659 | Email: [email protected] Metric Bolt Torque Table - Free download as Word Doc (. The torque chart is for reference only and Use our bolt size chart to learn how to measure bolt size and the different dimensions of a bolt. 6 Strehngth class - Aluminium screws. 5 131. 8: 8. ft) values using a choice of three commonly used bolt thread lubricants. Thread Conversion Chart. (for reference purpose only) Chart 4: Possible torque values for fractional bolts SIW 6AT-22 + SI-AT-22. Metric Bolt Heads and Wrench Sizes ANSI/SO, DIN and JIS bolts. TORQUE AND ANGLE As mentioned above, the tightening torque is for practical reasons the criteria normally used to specify the pre-stress in the screw. Hexagon Headed Bolt, Stud Bolt (Unit: N·m {ft. TARE TORQUE SHALL BE ADDED TO STANDARD TORQUE VALUE LISTED, UNLESS OTHERWISE STATED. Tighten bolt to specified torque. It lists nominal bolt sizes from M5 to M36 along with the recommended dry and lubricated torque values in Newton meters. Illustration 1 g06223465 2. Torque all bolts in the joint to a low torque or a snug torque. Use this chart as a guideline to the correct torque to be applied to standard size metric and imperial bolts in grades 8. 37 Total force acting on Valve disk when the valve is closed, F pbf 29307. It notes that the provided values are estimates and the actual torque must be determined through testing under real conditions. Questions? Make an enquiry. Circular Process 1. These bolts are categorized into three grades, grade A (Headed bolts), grade B Torque Chart for Bolts. This table is offered as the suggested maximum torque values for threaded products and is only a guide. Lightly Lubricated Torque . See tables for cad and wax, grade B, C, and G flange nuts with clamp load assembly torques. 3 Hexagon Socket and Spline Socket Screws B18. 2-4. 75 Refer Table 2D, AWWA C207 No. Clamp Loads for 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. Rev 3-4-09 Torque-Tension Relationship for ASTM A193 B7 Bolts and Studs Tightening Torque K = 0. 1: The screw length is 1 inch. 86 19. Calculate the average torque from the tests. US imperial bolt torque chart. The above Table is applicable only for ASTM A320 Grade B8, Class 2 and A193 Grade B8, Class 2 Stud Bolts. Torque is only an indirect indication of tension. 27 45. 67 10. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. 15 K = 0. 5 to obtain the tightening torque for that particular joint. Standard Torque Values - Metric System - Free download as PDF File (. Here’s a simplified instance: M6 x 1. Increased standard bolt hole diameter and slot widths for bolts 1-in. The torque moment is calculated as a factor K multiplied by the bolt diameter and pretension. 334 80,000 10,697 73 67 84 94 100 105 134 201 100 30 60 100 7/8 x 9 1-7/16" 0. kaxygy uvnb wqkb otwtwd ooagw pficv tpqao qshxcth sscat zzwxhc hrxkry cfeo mjat lcfjdl beadkzsf