The standard for 34CrMo4 alloy structural steel pipe follows EN 10297-1, which is a technical specification for seamless round steel pipes for machinery and general engineering. 34CrMo4 seamless carbon pipe is an alloy steel for quenching and tempering, especially suitable for manufacturing seamless round steel pipes for machinery and general engineering. It has high endurance strength and creep strength at high temperature, good low-temperature impact toughness, good hardenability, no overheating tendency, small quenching deformation, fair plasticity during cold edge shaping, and medium machinability.
Products Data
Specifications of 34crmo4 Seamless Steel Pipe
| Chemical Composition (wt. %) | |
| Carbon (C) | 0.30 - 0.37 |
| Silicon (Si) | 0.10 - 0.40 |
| Manganese (Mn) | 0.60 - 0.90 |
| Phosphorus (P) | ≤ 0.035 (residual content) |
| Sulphur (S) | ≤ 0.035 (residual content) |
| Chromium (Cr) | 0.90 - 1.20 |
| Molybdenum (Mo) | 0.15 - 0.30 |
| Mechanical Properties | |
| Tensile Strength (σb) | ≥ 985 MPa (100 ksi) |
| Yield Strength (σs) | ≥ 835 MPa (85 ksi) |
| Elongation (δ5) | ≥ 12% |
| Reduction of Area (ψ) | ≥ 45% |
| Impact Energy (Akv) | ≥ 63 J |
| Impact Toughness (αkv) | ≥ 78 J/cm² (8) |
| Hardness | ≤ 229 HB |
Products display
En 10297-1 34CrMo4 Seamless Alloy Steel Tube
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