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AFNOR Z12CKNDWNb21-20-20

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) N(%) Co(%) Nb(%)
0.08-0.16 Max 1.00 1.00-2.00 Max 0.040 Max 0.030 20.0-22.5 19.0-21.0 2.50-3.50 2.00-3.00 0.10-0.20 18.5-21.0 0.75-1.25