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 Alloy Steel Round Bar 40Cr

Specifications:

1.The process:EAF+LF+VD

2.Special use: Mould steel GB 40Cr

3.Length:3000-7700mm

40Cr

1.Standards:AISI 5140, ASTM 5140, JIS SCr440, 40Cr

2.Specification:Dia:80-800mm  Length:2000-13000mm or as required

3.Process:EAF+LF+VD+Forged+Heat Treatment(Annealed,A Normalized,Q+7)

4.Machine Capability:

Tensile strength (N/mm 2Mpa):>=835

Elongation %:>=10

Yield strength:>=540

Hardness: HBS<=179

Reduction of area:>=40%

5.Chemical composition

      C                Si              Mn           Cr         Ni       Cu

0.37-0.44   0.17-0.37  0.5-0.8    0.8-1.1     0.2     0.2

6.Inspection:100% Ultrasonic according to the test standards:SEP 1921-84, GR.3 CLASS C/C

Alloy Steel Round Bar 40Cr