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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
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