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DIN 1.2709

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Si   0.10
Mn   0.15
P   0.010
S   0.010
Cr   0.25
Mo 4.50  5.20
V  
Ni 17.00  19.00
Co 8.50  10.00
Ti 0.80  1.20