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By certification 
Equivalent grades GB DIN AISI JIS
42CrMo 1.7225 4140 -
-
Chemical composition C Si Mn Cr P S Mo Ni
0.41~0.45 0.17~0.35 0.60~0.75 0.99-1.1 ≤0.018 ≤ 0.030 0.16-0.20 ≤ 0.030
Available size Round Bar Diameter Length
10-380mm 2000-5800mm
Flat Bar Thickness Width Length
12-500mm 60-900mm 2000-5800mm
Surface condition Black surface/ Grinded/ Machined
42CrMo 1.7225 4140 -
-
Chemical composition C Si Mn Cr P S Mo Ni
0.41~0.45 0.17~0.35 0.60~0.75 0.99-1.1 ≤0.018 ≤ 0.030 0.16-0.20 ≤ 0.030
Available size Round Bar Diameter Length
10-380mm 2000-5800mm
Flat Bar Thickness Width Length
12-500mm 60-900mm 2000-5800mm
Surface condition Black surface/ Grinded/ Machined
