GB3087-1999 Seamless Steel Pipes for Boiler
GB3087-1999 is a Chinese national standard that outlines the technical requirements for seamless steel pipes used in boiler applications. These pipes are specifically designed to withstand high temperature and pressure conditions in boiler systems. This article provides a comprehensive overview of GB3087-1999 Seamless Steel Pipes for Boiler, including product description, parameter table, applications, and advantages.
Product Description:
GB3087-1999 Seamless Steel Pipes for Boiler are manufactured using high-quality carbon structural steel. These pipes are produced through hot-rolled or cold-drawn processes, ensuring a seamless and uniform structure. The pipes possess excellent dimensional accuracy, smooth inner and outer surface finish, and superior mechanical properties, making them suitable for various boiler applications.
Parameter Table:
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Toughness (J/cm²) | Carbon (C) (%) | Silicon (Si) (%) | Manganese (Mn) (%) | Phosphorus (P) (%) | Sulfur (S) (%) |
| 10 | ≥335 | ≥205 | ≥24 | ≥27 | 0.07-0.14 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 |
| 20 | ≥410 | ≥245 | ≥20 | ≥27 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 |
| 20G | ≥410 | ≥245 | ≥24 | ≥27 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 |
| 25MnG | ≥480 | ≥275 | ≥20 | ≥27 | 0.22-0.30 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 |
| 15MoG | ≥450 | ≥270 | ≥22 | ≥27 | 0.12-0.20 | 0.17-0.37 | 0.40-0.80 | ≤0.035 | ≤0.035 |
| 12CrMoG | ≥450 | ≥280 | ≥20 | ≥27 | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 |
Product Applications:
GB3087-1999 Seamless Steel Pipes for Boiler find extensive applications in the following areas:
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Power Generation: These pipes are widely used in power plants for the construction of boiler systems. They ensure the efficient and reliable transportation of high-temperature steam, contributing to the generation of electricity.
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Petrochemical Industry: GB3087-1999 pipes are suitable for various petrochemical processes that require high-temperature and high-pressure conditions. They are used in the construction of boilers, heat exchangers, and other equipment, facilitating the processing of petroleum and chemical products.
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Industrial Boilers: These seamless pipes are utilized in industrial boiler systems for applications such as steam generation, heat exchange, and fluid transportation. They provide excellent resistance to high temperatures and pressures, ensuring reliable and safe operation.
Product Advantages:
GB3087-1999 Seamless Steel Pipes for Boiler offer several advantages that contribute to their widespread usage:
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High Temperature Resistance: These pipes can withstand high temperatures encountered in boiler systems, ensuring the safe and efficient operation of the equipment.
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Superior Mechanical Properties: The pipes possess excellent tensile strength, yield strength, and elongation, ensuring reliable performance under high-pressure and high-temperature conditions.
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Corrosion Resistance: GB3087-1999 pipes exhibit good resistance to corrosion, minimizing the risk of pipe degradation and ensuring the longevity of boiler systems.
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Seamless Structure: The seamless manufacturing process eliminates the presence of welds or joints, enhancing the overall strength and reducing the risk of leakage or failure.
Conclusion:
GB3087-1999 Seamless Steel Pipes for Boiler play a crucial role in boiler applications, providing reliable and efficient transportation of high-temperature fluids. With their high temperature resistance, superior mechanical properties, corrosion resistance, and seamless structure, these pipes meet the demanding requirements of boiler systems in power generation, petrochemical industries, and industrial applications.
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