bolting torque table 2a - cold service astm a320 grade l7 stud bolts. The values shown in the chart are to be used as a mid-range guideline. The chart below is for torque settings on 4.8, 8.8, 9.8, 10.9 and 12.9 metric … Bolt Torque Calculator. ; Bolt size Low Grade Grade 8.8 Grade 10.9 Grade 12.9; 6mm: 3-5 Lightning Bolt & Supply has been servicing North America’s industrial fastener needs for over 25 years. Torque Chart for ASTM A193 Grade B7 Studs in Ft./Lbs. tightness of fasteners peri odically. previous article next article . Fill, sign and download Bolt Torque Chart online on Handypdf.com Bolt Data: Size: Coarse Fine . Tightening Torque Clamp Load (lbs.) Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. The torque figures are calculated in both metric (Nm] and imperial (lbf.ft) values using a choice of three commonly used bolt thread lubricants. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. Metric Recommended Bolt Torque. Share this: Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Like this: Like Loading... Related . Major Diameter: in: Thread per Inch: Material: Proof Strength: psi : Bridge Resistance: The bridge resistance of the wheatstone bridge within your sensor. Metric . Most accurate bolt torque calculator given its geometry and thread diameter, using vdi 2230 standard, Screw Clearance through the specific tool 3D model Bolt torque calculator metric (vdi 2230) Bolt torque calculator metric Tightening Torque Clamp Load (lbs.) In general the proper torque spec is usually around 65-70% of the failure torque rate. Torque values listed a re for general u se only. Metric Bolt Torque Table. Use for axial load applications. bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. IFI-100 does not govern lock nuts above 1". This value is your bridge resistance. Leave a Reply Cancel reply. 10.9. K Factor: K Factor is a torque coefficient between bolt and receptacle. Accepted formulae relating torque and tension,based on many tests are:-M =P x D 60 or for metric sizes:-M =P x D 5000 These formulae may be used for bolts outside the range of the tables, M =torque lbf.ft P =bolt tension lbf D =bolt dia.ins M =torque N.m P =bolt tension Newtons D =bolt dia.mm Force Flow lbf x 4.45 = N l/s x 2.119 = cu.ft/min ft Multiply by 1.356 to obtain N*m CLASS 4.6 240 NL 0.20 3 8 16 29 46 71 98 139 189 240 351 476 648 833 1078 1333 1665 2003 2589 3220 4014 4851 5884 240 L 0.15 3 6 12 21 34 53 74 104 142 180 263 357 486 625 808 1000 1248 1502 1942 … It is applicable, basically, to bolts, screws, studs and nuts made of carbon steel and alloy steel, whose mechanical properties are specified in ISO 898-1 , ISO 898-2 or ISO 898-6 , having ISO metric threads with thread sizes M3 to M39. Use this chart as a guideline to the correct torque to be applied to standard size metric and imperial bolts in grades 8.8 (metric) and ASTM A193 grade B7 (imperial) or similar. Tightening Torque Clamp Load (lbs.) ASTM A193 Grade B7 Torque Chart. M6 - M16: 800 M20 - M30: 830. Metric Torque Values Chart. Tighten toothed or serrated-type lock nuts to the full torque value. Mating Thread Data: Length: mm Help. Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 A fastener with threads is called as bolt. Check . For standard bolt torques use 0. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. Metric Bolt Torque Spec Chart - Best Picture Of Chart Anyimage.Org . reza. The amount of force on a fastener is called as torque. Metric . Approximate Torque Nm Grade 4.6 8.8 10.9 12.9 Maximum Recommended Tightening Torques Metric Course Pitch Grade 12.9 Plated Metric Course Pitch Grade 10.9 Plated Metric Course Pitch Grade 8.8 Plated Nm ft … Metric Bolt Torque Calculator. This standard bolt torque calculator is used to find the maximum torque for the given fractional bolt with the diameter, thread series and standard of the bolt. tightening procedure i s given for specific application. Metric Torque Values Chart. Since then, our focus on the production of high quality parts at competitive pricing has allowed us to become an industry leader. 12.9 Socket Head Cap Screw. Failure to set them correctly can lead to components becoming loose, bolts breaking or seals leaking. https://www.fixingsmegastore.co.uk/help/metric-bolt-torques 1. Setting the correct torque on your torque wrench is critical to prevent under or over tightening of your bolts or nuts. 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.) Bolt Torque Chart. Fastener Torque Specifications 8 SAE and Metric Fastener Torque Specifications Metric Plain and Zinc Plated Hex and Socket Head Cap Screws TORQUE CHART - METRIC PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS 1040 316 Stainless Steel Metric Bolt Torque Chart imagedy org 3 / 8. Estimated with clamp load as 75% of proof load as specified in ISO 898-1 8.8. Why Lightning Bolt for Metric Bolt Thread Pitch Charts and metric threaded Fasteners? Torque is the amount of force applied on the bolt. Tightening Torque min max min max min max min max Coarse Thread Series 1/4 20 2864 … They are of two types, metric flange bolts and metric hex bolts. DO NOT use these valu es if a different torque valu e or . The typical minimum recommended value is 1.5 times the major bolt diameter. Shear bolts are de signed to fail under pr edetermined . bolts. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. bolting torque table 3 - use only with a193 b8, cl1 bolts at 540°c - 650°c on uninsulated flanges. Torque Settings. Print this page . Below is a list of the recommended tightening torques for 12.9 / 10.9 / 8.8 zinc plated finish bolts. Material: Yield Strength: MPa: Applied Load: Load applied to either the bolt or tapped unit. METRIC GRADE 10.9 COARSE THREAD BOLT size-pitch LUBRICATED WITH ANTI-SEIZE in-lbs Nm in-lbs Nm 6-1.00 119 13 80 9 ft-lbs Nm ft-lbs Nm 8-1.25 25 34 17 23 10-1.50 48 65 32 43 12-1.75 84 114 56 76 14-2.00 135 183 89 121 16-2.00 210 285 140 190 20-2.50 405 549 270 366 22-2.50 550 746 370 502 24-3.00 700 949 465 630 27-3.00 1,030 1,396 685 929 Fastener torque specs fastener torque specs inne i bilen metric bolt torque chart aluminum is there a rule of thumb on how much you should torque certain size bolt or nut quora. 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. This International Standard specifies the conditions for carrying out torque/clamp force tests on threaded fasteners and related parts. chart, applied to the nut, no to the bolt head. Metric Bolts Maximum Torque, in foot-pounds, for clean, dry threads Check your Shop Manual! Fillable and printable Bolt Torque Chart 2021. Proper torque spec varies depending on the material, bolt grade or wether lubrication is used such as oil, wax, or anti-seize Always go to the manufacturer for proper torque specs if needed. To find your resistance: Use a multimeter to determine the resistance across the +Signal and -Signal wires. 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 . ** Torque values for 1/4" and 5/16" sizes are in inch lb. loads. u = The coefficient of friction of the lubricant Figures are a GUIDE only, always consult the manufacturer or area engineer . Thread Coeff Friction Preload (Kn) Property class Tightening Torque (Nm) Property class Min Breaking Torque; A1-50 A2-70 A4-80 A1-50 A2-70 A4-80 A1-50 A1-70 at 100% of yield. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. March 2020. The below chart refers to usage in steel. SizeUNRC Torque (N•m) Inch Metric Size Nominal Tightening Torque Nominal Tightening Torque Size (In-Pounds) Size (N•m) 4 5 6 8 10 1/4 516 3/8 1/2 5/8 Inch-Button Head Metric-Button Head 8-15 30 65 125 200 360 1000 1750 M3 x 0.5 M4 x 0.7 M5 x 0.8 M6 x 1 M8 x 1.25 M10 x 1.5 M12 x 1.75 With clamp load as 75 % of proof load as specified in 898-1... Do not use these metric bolt torque chart es if a different torque valu e.... 1.5 times the major bolt Diameter of force applied on the bolt yield.! International Standard specifies the conditions for carrying out torque/clamp force tests on threaded Fasteners related... Competitive pricing has allowed us to become an industry leader MPa: load! Bolting Diameter Tensile stress Area mm² Suggested bolt load equal to 85 % of proof load is quoted. On the bolt head bolt Diameter setting the correct torque on your torque wrench is critical to under! 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