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DIN 1.2721

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.45  0.55
Si 0.15  0.35
Mn 0.40  0.60
P   0.035
S   0.035
Cr 0.90  1.20
Mo  
V  
Ni 3.00  3.50