ASTM A320 Grades
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Specifications
ASTM A320 Grades
Bolt Grades and Tensile Class
Raw Material Specification
L7
L7A
L7B
L7C
L70
L71
L72
L73
L43
L7M
B8 Class 1
B8C Class 1
B8M Class 1
B8P Class 1
B8F Class 1
B8T Class 1
B8LN Class 1
B8MLN Class 1
B8A Class 1A
B8CA Class 1A
B8MA Class 1A
B8PA Class 1A
B8FA Class 1A
B8TA Class 1A
B8LNA Class 1A
B8 Class 2
B8C Class 2
B8P Class 2
B8F Class 2
B8T Class 2
B8M Class 2