Quality carbon structural steel: C22 (1.0402)
Implementation of the standards: EN 10083 / 2-1991
● Features and Scope:
High penetration of low carbon manganese steel, 15Mn steel with similar performance.
● Chemical Composition:
Carbon C: 0.17 ~ 0.24
Si Si: 0.17 ~ 0.40
Mn Mn: 0.70 ~ 1.00
Sulfur S: ≤0.045
Phosphorus P: ≤0.045
Chromium Cr: ≤0.40
Ni Ni: ≤0.40
Mo Mo: ≤0.10
● Mechanical Properties:
Tensile strength σb (MPa): ≥450 (46)
Yield strength σs (MPa): ≥275 (28)
Elongation δ5 (%): ≥24
Reduction of ψ (%): ≥50
Hardness: no heat, ≤197HB
Sample size: Sample size is 25mm
● Heat treatment and microstructure specifications:
Heat treatment specifications: normalizing, 910 ℃.
● Delivery status: to heat or no heat treatment (annealing, normalizing or tempering) state delivery. Require heat treatment delivery should be specified in the contract, no heat treatment is not indicated by delivery. |
