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ASTM ASTM A335 GRADE P91

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) N(%) Nb(%) Al(%) Ti(%)
0.08-0.12 0.20-0.50 0.30-0.60 Max 0.020 Max 0.010 8.00-9.50 Max 0.40 0.85-1.05 0.18-0.25 0.03-0.07 0.06-0.10 Max 0.02 Max 0.01