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.) Metric Bolt Torque Table. Leave a Reply Cancel reply. Tightening Torque Clamp Load (lbs.) https://www.fixingsmegastore.co.uk/help/metric-bolt-torques Material: Yield Strength: MPa: Applied Load: Load applied to either the bolt or tapped unit. The typical minimum recommended value is 1.5 times the major bolt diameter. Print this page . 316 Stainless Steel Metric Bolt Torque Chart imagedy org 3 / 8. M6 - M16: 800 M20 - M30: 830. This International Standard specifies the conditions for carrying out torque/clamp force tests on threaded fasteners and related parts. bolting torque table 3 - use only with a193 b8, cl1 bolts at 540°c - 650°c on uninsulated flanges. March 2020. ; Bolt size Low Grade Grade 8.8 Grade 10.9 Grade 12.9; 6mm: 3-5 10.9. bolts. 1. IFI-100 does not govern lock nuts above 1". 1040 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. Below is a list of the recommended tightening torques for 12.9 / 10.9 / 8.8 zinc plated finish bolts. 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 Torque is the amount of force applied on the bolt. ** Torque values for 1/4" and 5/16" sizes are in inch lb. Use for axial load applications. The torque figures are calculated in both metric (Nm] and imperial (lbf.ft) values using a choice of three commonly used bolt thread lubricants. A fastener with threads is called as bolt. Torque values listed a re for general u se only. Tightening Torque min max min max min max min max Coarse Thread Series 1/4 20 2864 … K Factor: K Factor is a torque coefficient between bolt and receptacle. They are of two types, metric flange bolts and metric hex bolts. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. chart, applied to the nut, no to the bolt head. Metric Bolt Torque Spec Chart - Best Picture Of Chart Anyimage.Org . Fillable and printable Bolt Torque Chart 2021. Metric . Metric Torque Values Chart. Bolt Data: Size: Coarse Fine . Major Diameter: in: Thread per Inch: Material: Proof Strength: psi : Bridge Resistance: The bridge resistance of the wheatstone bridge within your sensor. The below chart refers to usage in steel. loads. at 100% of yield. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. tightness of fasteners peri odically. Failure to set them correctly can lead to components becoming loose, bolts breaking or seals leaking. 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 … 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. tightening procedure i s given for specific application. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. Torque Settings. 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 u = The coefficient of friction of the lubricant Figures are a GUIDE only, always consult the manufacturer or area engineer . Tightening Torque Clamp Load (lbs.) Since then, our focus on the production of high quality parts at competitive pricing has allowed us to become an industry leader. 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 DO NOT use these valu es if a different torque valu e or . Metric . Metric Bolts Maximum Torque, in foot-pounds, for clean, dry threads Check your Shop Manual! Metric Torque Values Chart. previous article next article . 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. 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 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 . Approximate Torque Nm Grade 4.6 8.8 10.9 12.9 Metric Bolt Torque Calculator. Mating Thread Data: Length: mm Help. 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 . Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. reza. 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. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. Setting the correct torque on your torque wrench is critical to prevent under or over tightening of your bolts or nuts. To find your resistance: Use a multimeter to determine the resistance across the +Signal and -Signal wires. 12.9 Socket Head Cap Screw. This value is your bridge resistance. In general the proper torque spec is usually around 65-70% of the failure torque rate. 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. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. Shear bolts are de signed to fail under pr edetermined . 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 bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. Why Lightning Bolt for Metric Bolt Thread Pitch Charts and metric threaded Fasteners? Estimated with clamp load as 75% of proof load as specified in ISO 898-1 8.8. ASTM A193 Grade B7 Torque Chart. Check . The values shown in the chart are to be used as a mid-range guideline. Tighten toothed or serrated-type lock nuts to the full torque value. Tightening Torque Clamp Load (lbs.) 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. The amount of force on a fastener is called as torque. Bolt Torque Chart. Fill, sign and download Bolt Torque Chart online on Handypdf.com 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 … The chart below is for torque settings on 4.8, 8.8, 9.8, 10.9 and 12.9 metric … Metric Recommended Bolt Torque. Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 For standard bolt torques use 0. 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. 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