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AFNOR 19MnB4

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.17  0.24
Si   0.40
Mn 0.80  1.15
P   0.035
S   0.035
Cr  
Ni  
Mo  
Al   0.020
B 0.0008  0.0050