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ASTM P3

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.10
Si   0.40
Mn 0.20  0.60
P   0.030
S   0.030
Cr 0.40  0.75
Mo  
V  
W  
Ni+Cu   0.75
Ni 1.00  1.50