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SAE M61

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.75  1.85
Si 0.20  0.45
Mn 0.25  0.50
Cr 3.50  4.25
Mo 6.00  6.75
V 4.50  5.25
W 12.00  13.00
S 0.05  0.09