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ºÒ(C)0.38~0.45 Öº(Si)0.17~0.37 ¿ø(Mn)0.50~0.80
ÁC(P) 0.035 ²¸(S) 0.035 »Ì(Cr)0.9~1.20
Âì(Ni) 0.30 à»(Mo)0.15~0.25 »É(Cu) 0.30
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©}ªA±j«× £ms (MPa): 930(95)
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½Õ½èquenching+tempering 850¢J²fªo,¦A560¢J¦^¤õ³B²z¡C HRC32-36
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