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       ¤¤°êGB/T18254-2002

¤é¥»JIS G4805¡G1991

¬ü°êASTM A295¡G1998

°ê»ÚISO 683-17¡G1999

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        ¹ïÀ³¬ü°êµP¸¹¡G51100 

¹ïÀ³¤¤°êµP¸¹¡GGCr9

¹ïÀ³¼w°êµP¸¹¡G105Cr4

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       C :0.95-1.10 

Mn : 0.50

P : 0.025

S : 0.025

Cr :0.90-1.20

Si :0.15-0.35

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