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Equivalent grades GB DIN AISI JIS
4Cr13 1.2083 420 SUS 420 J 2
Chemical Composition C Si Mn Cr P S V
0.38-0.45 0.30-0.50 0.20-0.40 12.00-13.50 0.03MAX 0.03MAX 0.18-0.30
Available size Round Bar Diameter Length
10-380mm 2000-5800mm
Flat Bar Thickness Width Length
12-500mm 60-610mm 2000-5800mm
Smelting&shaping EF/ ESR+ hot forged/ hot rolled
Surface condition Black surface/Milled
420 1.2083 sus420 m303 s136 plastic mould steel