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SAE H15

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.45  0.55
Si 0.40  0.60
Mn 0.10  0.40
Cr 3.50  4.00
Mo 6.00  6.50
V 0.65  0.85
W 0.85  1.15