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ASTM 440C

2020-04-17 15:41:44
     
Steel Grade : ASTM 440C
Tpye : stainless anti friction bearing steel(ASTMA756—1994)(2000)
     
CHEMICAL COMPOSITION    
C(%) : 0.95~1.10
Si(%) : ≤1.00
Mn(%) : ≤1.00
P(%)≤ : 0.025
S(%)≤ : 0.025
Cr(%) : 16.0~18.0
Mo(%) : 0.40~0.65
Ni(%) : ≤0.75
Other(%) : Cu≤0.50
     
     
Remark:    
①, The steel grade is AISI/SAE series, the content have been adjusted for P, S and  individual Si.
②, It should have the following elements in steel if not specified: Cr≤0.20%,Mo≤0.10%,Ni≤0.25%,Cu≤0.35%.
③, The whole aluminum and oxygen content should be the following:Alt≤0.050%,O2≤0.0015%.
     
     


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