seamless 30CrMo Alloy Piping
30CrMo alloy steel pipe is a kind of alloy steel produced in China, which is widely used in the fields of engineering and mechanical structures. This material is characterized by high strength, high toughness, and good high-temperature strength below 500°C. This means that it is ideally suited for applications where high loads and high temperatures are required.
30CrMo low alloy steel pipe has good processing performance, and the processed parts have good cold bending and plasticity. Additionally, the material is highly hardenable, meaning it absorbs heat efficiently and cools quickly, increasing the material's hardness and strength.
In practical applications, 30CrMo low alloy structural tube is mainly used to manufacture steel pipes with operating temperatures below 400°C, and fasteners in boilers and steam turbines with operating temperatures below 450°C. 30CrMo is also ideal for those that need to work in more extreme environments, such as nuts and flanges with operating temperatures below 500°C and high pressures, as well as loaded parts in general machinery.
In chemical equipment manufacturing, seamless 30CrMo alloy pipes are also widely used. For example, at temperatures below 250°C, it can be used to manufacture shafts, gears, bolts, studs, operators, high-pressure conduits and weldments. This material is suitable for nitrogen and hydrogen working media and can maintain stable performance in this medium.
30CrMo Pipe Chemical Compositions
| C | Mn | P | S | Si | Cr | Mo |
| 0.32~0.40 | 0.40~0.70 | ≤0.03 | ≤0.03 | 0.17~0.37 | 0.8~1.10 | 0.15~0.25 |
Mechanical Properties of 30CrMo Steel Grade Pipe
| Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation in 2 in. % |
||||
| ≧980 | ≧835 | ≧12 | ||||
seamless alloy steel 30CrMo tubing
In terms of mechanical properties, the yield strength of 30CrMo Alloy Steel Round pipes is ≥785 MPa, the tensile strength is ≥980 MPa, the elongation is ≥10%, the area reduction rate is ≥50%, and the impact absorption energy is ≥63 J. These data fully prove the high strength and good plasticity of 30CrMo.
Regarding heat treatment specifications, the first quenching heating temperature of 30CrMo is 850°C, and the cooling medium is oil; the tempering heating temperature is 500°C, and the cooling medium can be water or oil. These steps are critical to ensure the material's performance.
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