Supply 15CrMn Structural Steel
Alloy steel grades: 15CrMn
Standard: GB / T 3077-1988
Chemical Composition: Carbon C: 0.12 ~ 0.18 ,Si Si: 0.17 ~ 0.37 ,Manganese Mn: 1.10 ~ 1.40
,S S: to allow the residual content ≤ 0.035 ,P P: ≤ 0.035 to allow the residual content ,Chromium Cr: 0.40 ~ 0.70 ,Ni-Ni: ≤ 0.030 to allow the residual content ,Copper Cu: ≤ 0.030 to allow the residual content
Mechanical Properties:
Tensile strength σb (MPa): ≥ 785 (80)
Yield strength σs (MPa): ≥ 590 (60)
Elongation δ5 (%): ≥ 12
Reduction of area ψ (%): ≥ 50
Impact energy Akv (J): ≥ 47
Impact toughness αkv (J/cm2): ≥ 59 (6)
Hardness: ≤ 179HB
Sample size: Sample size is 15mm rough
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