ASTM A351 / A351M Grade CF8M
Elongation in 2 in. [50 mm], min, % B. CF8M. 70 [485] 30 [205] 30.0. Note A: Determine by the 0.2 % offset method. Note B: When ICI test bars are used in tensile testing as provided for in Specification A985/A985M, the gage length to reduced section diameter ratio shall be 4 …