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By certification 
Equivalent grades GB DIN AISI JIS
4Cr5MoSiV1 1.2344/ H13 SKD61
X40CrMoV5
Chemical composition C Si Mn Cr P S Mo V
0.30-0.40 0.80-1.20 0.20-0.40 4.75-5.50 0.03MAX 0.03MAX 1.25-1.75 0.80-1.20
Available size Round Bar Diameter Length
10-380mm 2000-5800mm
Flat Bar Thickness Width Length
12-500mm 60-610mm 2000-5800mm
Surface condition Black surface/ Grinded/ Machined
4Cr5MoSiV1 1.2344/ H13 SKD61
X40CrMoV5
Chemical composition C Si Mn Cr P S Mo V
0.30-0.40 0.80-1.20 0.20-0.40 4.75-5.50 0.03MAX 0.03MAX 1.25-1.75 0.80-1.20
Available size Round Bar Diameter Length
10-380mm 2000-5800mm
Flat Bar Thickness Width Length
12-500mm 60-610mm 2000-5800mm
Surface condition Black surface/ Grinded/ Machined
