C Si Mn P S Cr Ni Cu
ASTM A29/A29M 0.38-0.43 0.15-0.35 0.70-0.90 ≤0.035 ≤0.040 0.70~0.90 ≤0.25 ≤0.35
Measured 0.44 0.25 0.59 0.021 0.007 0.85 0.04 0.05