Use of 30CrMo Alloy Steel
30CrMo alloy steel can be used to manufacture steel pipes with working temperature below 400 °C, fasteners with operating temperature below 450 °C in boilers and steam turbines, nuts and flanges with working temperature below 500 °C and high pressure, and load in general machinery; Shafts, gears, bolts, studs, manipulators, high-pressure conduits and weldments in chemical equipment below 250 °C, nitrogen-hydrogen up to medium working.
Datasheet and Specification
30CrMo Steel Chemical Composition
| Chemical Composition (%) | ||||||||
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | Cu |
| 30CrMo | 0.26 to 0.33 | 0.17 to 0.37 | 0.40 to 0.70 | ≤ 0.030 | ≤ 0.030 | 0.80 to 1.10 | 0.15 to 0.25 | ≤ 0.30 |
Mechanical Properties of 30CrMo Steel
- Yield strength: ≥ 785 MPa
- Tensile strength: ≥ 980 MPa
- Elongation: ≥ 10%
- Rate of reduction in area: ≥50%
- Impact absorbing energy: ≥ 63 J
- Brinell Hardness: ≤ 269 (Annealed or high temperature tempered steel rod)
- Sample size: 25mm
Heat Treatment Specification of 30CrMo Material
- First quenching heating temperature: 850 °C (Cooling: oil)
Tempering heating temperature: 500 °C (Cooling: water, oil)
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