High Pressure Boiler Seamless Steel Pipe GB/T5310: 15CrMoG and 12Cr1MoVG Grades
1. Product Description: High Pressure Boiler Seamless Steel Pipe GB/T5310 is designed for use in high-pressure boiler systems that require exceptional strength and durability. These pipes are manufactured from specific heat-resistant steel alloys, namely 15CrMoG and 12Cr1MoVG, which offer superior performance in high-temperature and high-pressure environments typical of boiler applications.
2. Product Parameters:
Parameter | Description |
Grades | 15CrMoG, 12Cr1MoVG |
Material | Heat-Resistant Carbon Steel (Seamless) |
Standard | GB/T5310 |
Size Range | Various diameters and wall thicknesses as per GB/T5310 |
Length | Standard lengths, customizable upon request |
Ends | Plain ends, beveled ends, threaded, or socket-weld ends |
Surface Treatment | As-rolled, annealed, or normalized |
3. Mechanical Properties:
Property | 15CrMoG Requirement | 12Cr1MoVG Requirement |
Tensile Strength | ≥440 MPa (64,000 psi) | ≥470 MPa (68,000 psi) |
Yield Strength | ≥295 MPa (42,500 psi) | ≥340 MPa (49,300 psi) |
Elongation | ≥20% | ≥20% |
Hardness | Varies depending on heat treatment | |
4. Chemical Composition:
Element | 15CrMoG Range (%) | 12Cr1MoVG Range (%) |
Carbon | 0.12 - 0.20 | 0.08 - 0.15 |
Chromium | 0.40 - 0.70 | - |
Molybdenum | 0.40 - 0.55 | - |
Manganese | ≤ 0.40 | ≤ 0.40 |
Phosphorus | ≤ 0.025 | ≤ 0.025 |
Sulfur | ≤ 0.025 | ≤ 0.025 |
Silicon | 0.17 - 0.37 | 0.17 - 0.37 |
5. Product Uses:
- Boiler Tubes: Used in high-pressure and high-temperature boiler systems for steam generation.
- Superheater Tubes: Employed in the superheater sections of steam power plants.
- Heat Exchangers: Suitable for use in heat exchangers operating under demanding conditions.
- Pressure Vessels: Ideal for construction of high-pressure vessels and reactors in petrochemical and refining industries.
6. Product Grade Standards:
- GB/T5310: This Chinese national standard specifies the technical requirements for high-pressure boiler seamless steel pipes, including grades 15CrMoG and 12Cr1MoVG.
Conclusion: High Pressure Boiler Seamless Steel Pipe GB/T5310, available in 15CrMoG and 12Cr1MoVG grades, is engineered for demanding applications in the power generation and petrochemical industries. These pipes offer a combination of strength, ductility, and corrosion resistance that make them suitable for high-pressure boiler systems. Adherence to the GB/T5310 standard ensures that these pipes meet the high-quality benchmarks necessary for critical applications.
Product Image



Company Profile
Factory Tour
team introduction
Applications