Table A-10 Bolts, Nuts, and Studs
Low and Intermediate Alloy Steel |
Grade |
B5 |
B7 |
B7 |
B7 |
B7M |
Spec. # |
A193 |
|
|
|
|
Maximum
Allowable
Stress
Values in
Tension,
ksi, for
Metal
Temperature,
°F, Not
Exceeding |
-20 to 100 |
20.0 |
25.0 |
23.0 |
18.8 |
20.0 |
200 |
20.0 |
25.0 |
23.0 |
18.8 |
20.0 |
300 |
20.0 |
25.0 |
23.0 |
18.8 |
20.0 |
350 |
- |
- |
- |
- |
- |
400 |
20.0 |
25.0 |
23.0 |
18.8 |
20.0 |
450 |
- |
- |
- |
- |
- |
500 |
20.0 |
25.0 |
23.0 |
18.8 |
20.0 |
600 |
20.0 |
25.0 |
23.0 |
18.8 |
20.0 |
650 |
20.0 |
25.0 |
23.0 |
18.8 |
20.0 |
700 |
20.0 |
25.0 |
23.0 |
18.8 |
20.0 |
750 |
20.0 |
23.6 |
22.2 |
18.8 |
20.0 |
800 |
18.5 |
21.0 |
20.0 |
18.0 |
18.5 |
850 |
14.5 |
16.3 |
16.3 |
16.3 |
16.5 |
900 |
10.4 |
12.5 |
12.5 |
12.5 |
12.5 |
950 |
7.6 |
8.5 |
8.5 |
8.5 |
8.5 |
1000 |
5.6 |
4.5 |
4.5 |
4.5 |
4.5 |
1050 |
4.2 |
- |
- |
- |
- |
1100 |
3.1 |
- |
- |
- |
- |
1150 |
2.0 |
- |
- |
- |
- |
1200 |
1.3 |
- |
- |
- |
- |
ASME B31.1 - 2012 |