15CrMoG seamless steel pipe is an environmentally friendly material that aligns with China's national strategy on environmental protection, energy conservation, and resource recycling. The government actively promotes the use of 15CrMoG seamless steel pipes, encouraging their broader application across various industries. Currently, the consumption of 15CrMoG seamless steel pipes in China accounts for only about half of the total steel usage. However, as its application continues to expand, it opens up new opportunities for industry growth. According to research from the China National Special Steel Association’s branch on seamless steel tubes, the demand for high-pressure 15CrMoG long products is expected to grow at an average annual rate of 10-12%.
The weight of a 15CrMoG seamless steel pipe can be calculated using the formula:
[(Outer Diameter - Wall Thickness) × Wall Thickness] × 0.02466 = Weight per meter (in kg/m).
15CrMoG is a pearlitic heat-resistant steel known for its high thermal strength (δb ≥ 440MPa), excellent resistance to oxidation at high temperatures, and moderate resistance to hydrogen corrosion. Due to its high chromium and carbon content, this steel has a pronounced hardenability tendency and relatively poor weldability.
Seamless steel pipe 15CrMoG comes in various sizes with specific allowable deviations. The deviation levels are defined as follows:
- **D1**: ±1.5% or a minimum of ±0.75 mm
- **D2**: ±1.0% or a minimum of ±0.50 mm
- **D3**: ±0.75% or a minimum of ±0.30 mm
- **D4**: ±0.50% or a minimum of ±0.10 mm
These tolerances ensure the quality and consistency of the product, making it suitable for critical applications in power generation, petrochemical, and other industrial sectors. As the demand for high-performance materials increases, 15CrMoG seamless steel pipes are becoming an essential component in modern infrastructure and manufacturing.
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