C45 steel structure,C45 steel structure Mechanical property

C45 steel structure is one mainly of high carbon steel. EN 10083 C45 steel structure is for quenching and tempering. Technical delivery conditions for non alloy steels,C45 steel structure is for general engineering purposes.

C45 steel structure Chemical composition：
C(％): 0.42～0.50
Si(％): ≤0.40
Mn(％): 0.50～0.80
P(％)≤: 0.045
S(％)≤: 0.045
Cr(％): ≤0.40
Mo(％): ≤0.10
Ni(％): ≤0.40
Other: Cr+Mo+Ni≤0.63

C45 steel structure Mechanical property at different heat treatment practice：
Mechanical property ≥|σb/MPa: 600
Mechanical property ≥|σs/MPa: 365
Mechanical property ≥|δ(％): 16
Mechanical property ψ(％)|≥: 40
Hardness /≥HBS (untreated): 229min.
Hardness /≥HBS (annealed): 197min.

C45 steel structure Manufacturing technique：
According to the steel grade and quality requirement, the melting of steel can adopt basic oxygen furnace, open- hearth furnace, electric arc furnace, electroslag remelting, vacuum degassing, and appropriate heat treatment.

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