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ASTM ASTM A638 Grade 660B 660D Alloy A286

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) Cu(%) B(%) Al(%) Ti(%)
0.08 1.0 2.00 0.040 0.030 13.00-16.00 24.00-27.00 1.00-1.50 0.10-0.50 0.30 0.01 0.35 1.90-2.35