Bolt Torque Values
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ASTM A 193 grade B7 with nuts to ASTM A 194 Grade 2H. ISO 4014 Grade 8.8, with nuts to ISO 4032 or ISO 4033 Grade 8. BS 4882 grade B7 with nuts to BS 4882 Grade 2H. SANS 1700-7-1 Grade 8.8, with nuts to SANS 1700-14-1 Grade 8 The torques for ASTM A193 Grade B7 lubricated bolts with coarse pitch threads shall be as follows: Bolt size M16 M20 M24 M30 M36 M42 M48 M56 M64 Torque (Nm) 190 375 645 1290 2290 3620 5440 8770 13230 Bolt size 5/8” 3/4” 7/8” 1” 1-1/8” 1-1/4” 1-3/8” 1-1/2” 1-5/8” Torque (Nm) 170 305 495 740 1050 1495 1950 2600 3280 Bolt size 1-3/4” 1-7/8” 2” 2-1/4” 2-1/2” Torque (Nm) 4100 5035 6170 9080 12420 The torques for Grade 8.8 lubricated bolts with coarse pitch threads shall be as follows: Bolt size M16 M20 M24 M30 M36 M42 M48 M56 M64 Torque (Nm) 170 330 570 1140 2020 3200 4810 7750 11690 Bolt size 5/8” 3/4” 7/8” 1” 1-1/8” 1-1/4” 1-3/8” 1-1/2” 1-5/8” Torque (Nm) 150 270 440 660 930 1320 1725 2300 2900 Bolt size 1-3/4” 1-7/8” 2” 2-1/4” 2-1/2” Torque (Nm) 3620 4450 5450 8030 10975
Transcript of Bolt Torque Values
ASTM A 193 grade B7 with nuts to ASTM A 194 Grade 2H.ISO 4014 Grade 8.8, with nuts to ISO 4032 or ISO 4033 Grade 8.BS 4882 grade B7 with nuts to BS 4882 Grade 2H.SANS 1700-7-1 Grade 8.8, with nuts to SANS 1700-14-1 Grade 8
The torques for ASTM A193 Grade B7 lubricated bolts with coarse pitch threads shall beas follows:Bolt size M16 M20 M24 M30 M36 M42 M48 M56 M64Torque (Nm) 190 375 645 1290 2290 3620 5440 8770 13230Bolt size 5/8” 3/4” 7/8” 1” 1-1/8” 1-1/4” 1-3/8” 1-1/2” 1-5/8”Torque (Nm) 170 305 495 740 1050 1495 1950 2600 3280Bolt size 1-3/4” 1-7/8” 2” 2-1/4” 2-1/2”Torque (Nm) 4100 5035 6170 9080 12420The torques for Grade 8.8 lubricated bolts with coarse pitch threads shall be as follows:Bolt size M16 M20 M24 M30 M36 M42 M48 M56 M64Torque (Nm) 170 330 570 1140 2020 3200 4810 7750 11690Bolt size 5/8” 3/4” 7/8” 1” 1-1/8” 1-1/4” 1-3/8” 1-1/2” 1-5/8”Torque (Nm) 150 270 440 660 930 1320 1725 2300 2900Bolt size 1-3/4” 1-7/8” 2” 2-1/4” 2-1/2”Torque (Nm) 3620 4450 5450 8030 10975
