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Important Facts on
Stainless Steel
Benchmark Data for Preload Force and Torque Values on
Threaded Bolts in Stainless Steel AISI 304 / AISI 316
Thread
Material Property Class 70
Preload Force
in N
Torque
in Nm
Material Property Class 80
Preload Force
in N
Torque
in Nm
2
M 5
3.000
3,5
4.750
4,7
M 6
6.200
6
6.700
8
M 8
12.200
16
13.700
22
M 10
16.300
32
22.000
43
M 12
24.200
56
32.000
75
M 16
45.000
135
60.000
180
M 20
71.000
280
95.000
370
M 24
105.000
455
140.000
605
M 30
191.000
1.050
255.000
1.400
Stainless Steel Alloy: AISI 304/AISI 316
Friction Coefficient: 0,12
Yield Stress:
0,2 - A2 / A4 - 70 = 450 N/mm
80 = 600 N/mm
Values:
M A - Tables x 0.9 = M A - max.
12
591