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SAE A 646 Grade 300M

Chemical composition(mass fraction)(wt.%)

Elements Min.（≥） Max.（≤） Similar Remarks
C   0.40
Si   1.60
Mn   0.75
P  
S  
Ni   0.40
Cr   1.85
Al  
Cu  
Ti  
Fe   remaining
N  
Mo  
V   0.08

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