A286 Tensile Strength of 160ksi

Q: Your strength chart for A286 says it offers 120-160 ksi tensile strength. What does this mean? And how can I insure I get bolts that are 160ksi? Is this the spec ASTM A453 Grade 660?

A: We can insure you get your bolts made to this tensile strength but it is not ASTM A453. This spec is classified into 4 heat treatments: A, B, C & D; all have a tensile strength of 130ksi with D having a higher yield strength than A, B and C. For your bolts to meet the 160ksi, they must be cold worked. So you must specify A286 cold worked to 160ksi in order to have these bolts meet that tensile strength.

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