GB/T 5310 12Cr2MoG High Pressure Seamless Boiler Tubes Alloy Steel
Price:
Negotiable
MOQ:
1
Delivery Time:
7~30 working days
Brand:
BaoYang
Product Description
- Power Plants: Widely used in power plants for steam generation, where high pressure and temperature are maintained.
- Industrial Boilers: Utilized in various industrial boilers for process heating, power generation, and other applications requiring high-pressure steam.
- Pressure Vessels: Suitable for the construction of pressure vessels and heat exchangers that operate under high thermal and pressure loads.
- Petrochemical Industry: Employed in the petrochemical sector for high-pressure piping and components in refineries and chemical plants.
- Nuclear Power Stations: Used in nuclear power stations for their ability to withstand the rigors of high radiation and pressure environments.
- High-Pressure Capability: Designed to withstand the high pressures found in boiler systems.
- Heat Resistance: Alloy composition provides resistance to high temperatures, reducing the risk of failure in thermal cycling.
- Creep Strength: The addition of chromium and molybdenum enhances the creep strength, crucial for long-term performance under continuous load.
- Seamless Design: Offers superior structural integrity and reliability compared to welded tubes.
Heat treatment for GB 5310 15CrMoG Tubes
| Grade | Heat treatment |
| 15CrMoG | 900 ℃～960 ℃,Normalizing；660 ℃～730 ℃,Tempering |
Chemical composition of GB 5310 15CrMoG
| Steel Pipe | Chemical Composition(%) | ||||||||
| C | Si | Mn | Cr | Mo | Ni | Cu | P | S | |
| Max | |||||||||
| 15CrMoG | 0.12～0.18 | 0.17～0.37 | 0.40～0.70 | 0.80～1.10 | 0.40～0.55 | ≤0.30 | ≤0.20 | 0.025 | 0.020 |
Mechanical properties of GB 5310 15CrMoG
| Tensile properties | Impact energy(Akv),J | Hardness | |||||||
| Tensile strength (MPa) |
Yield Strength (MPa) |
Elongation % |
Portrait | Landscape | A | B | C | ||
| HBW | HV | HRC | |||||||
| Portrait | Landscape | ||||||||
| Max | Min | ||||||||
| 440～640 | 235 | 21 | 19 | 40 | 27 | 170 | 180 | 88HRB | |
Allowable deviation of outer diameter and wall thickness
| Type of steel pipe | Outer diameter(mm) | Tolerance | |||
| ordinary | advanced | ||||
| Hot rolled tube | OD | ≤50 | ±0.40 | ±0.30 | |
| ＞50～≤325 | WT≤35 | ±0.75% | ±0.5% | ||
| WT＞35 | ±1% | ±0.75% | |||
| ＞325 | ±1% | ±0.75% | |||
| WT | ≤4.0 | ±0.4 | ±0.3 | ||
| ＞4.0～≤20 | ±10% | ±7.5% | |||
| ＞20 | OD＜219 | ±10% | ±7.5% | ||
| OD≥219 | +12.5% -10% |
±10% | |||
| Cold drawn tube | OD | ≤25.4 | ±0.15 | — |
| ＞25.4～≤40 | ±0.20 | — | ||
| ＞40～≤50 | ±0.25 | — | ||
| ＞50～≤60 | ±0.30 | — | ||
| ＞60 | ±0.5% | — | ||
| WT | ≤2.8 | ±0.2 | — | |
| ＞2.8 | ±7.5% | — |
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Company
Cangzhou Baoyang Pipeline Equipment Co., Ltd.
Location
Room 512, Block B, Tiancheng Building, Yunhe District, Cangzhou City
Contact Person
Amy