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Ss Bolt Torque Chart

Ss Bolt Torque Chart - Diameter are based on 30 ksi yield strength. Web accepted formulae relating torque and tension, based on many tests are: Metric torque chart for hex head cap screws. The chart below offers some suggested maximum torque values for stainless steel fasteners. Web 32 rows torque values stainless steel bolt table chart. This table is a guide based on industry tests that provide maximum clamping values with minimum risk of seizing. This shows torque values in nm for property classes 50, 70 and 80 as shown in the table below. Web 30 rows bolt size: Clamp loads estimated as 75% of proof load for specified bolts. K = 0.20 tightening torque.

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M = P X D M = Torque N.m 5000 P = Bolt Tension Newtons D = Bolt Dia.

Metric torque chart for hex head cap screws. Torque values calculated from formula t=kdf where; Web torque values for bolts greater than 1.1/2 in. K=0.15 for “lubricated” condition, k=0.17, k=0.20 for plain and dry condition

Web The Torque Values Can Only Be Achieved If Nut (Or Tapped Hole) Has A Proof Load Greater Than Or Equal To The Bolt’s Minimum Ultimate Tensile Strength.

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. The values are based on fasteners that are dry—free of any lubricant—and wiped clean of chips and foreign matter. Web accepted formulae relating torque and tension, based on many tests are: Size nm lb ft size nm lb ft m 3 0.9 0.7 1/4 unc 7.7 5.7 m 4 2 1.5 5/16 unc 16 11.8 m 5 4 3 3/8 unc 28 20.7 m 6 7 5 1/2 unc 66 49 m 8 17 13 5/8 unc 131 97 m 10 33 24 3/4 unc 231 171 m 12 57 42 7/8 unc 369 273 m 14 91 67 1 unc 553 409 m 16 140 104 m 20 273 202 m 24 472 349 m 27 682 505 m 30.

Web Recommended Assembly Torque Values€*.

Using the correct installation torque is critical for achieving a properly fastened joint with bolt or machine screws. Diameter are based on 30 ksi yield strength. This applies to ‘grades’ a1, a2, a3, a4 and a5. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near.

#1 #2 #3 #4 #5 #6 #8 #10 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1640 0.1900 0.2500 0.3125 0.3750 0.4375 0.5000 0.6250 0.7500 0.8750 1.0000 1.2500 1.5000.

Web stainless steel galling see pencom technical bulletin “galling of stainless steel fasteners”. The chart below offers some suggested maximum torque values for stainless steel fasteners. Web tightening torque (nm) property class min. Tightening torque values are not.

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