GB 6479 12CrMo Seamless Steel Pipe For High Pressure Fertilizer
Product Description: GB 6479 12CrMo Seamless Steel Pipes are engineered to meet the demanding requirements of high-pressure fertilizer production. These pipes are manufactured in accordance with the Chinese national standard GB 6479, which specifies the requirements for seamless steel pipes suitable for high-pressure and high-temperature applications. The 12CrMo grade indicates the presence of chromium and molybdenum, which significantly enhance the steel's corrosion resistance and strength.
Advantages:
- High-Pressure Capability: Designed to withstand the high pressures encountered in fertilizer production processes.
- Corrosion Resistance: The addition of chromium and molybdenum provides excellent resistance to corrosion from various chemicals.
- Heat Resistance: Capable of operating in high-temperature environments, making it suitable for thermal processes.
- Seamless Design: The seamless construction eliminates potential points of failure, ensuring reliability and safety.
- Long Service Life: The combination of strength, heat resistance, and corrosion resistance results in a long-lasting product.
Product Parameter Table:
| Category | Parameter | Typical Range/Value |
| Mechanical | Tensile Strength | 440-586 MPa |
| | Yield Strength | ≥ 255 MPa |
| | Elongation | ≥ 22% (for pipes ≤ 50.8 mm in diameter) |
| | | ≥ 20% (for pipes > 50.8 mm in diameter) |
| Chemical | Carbon (C) | 0.08-0.15% |
| | Chromium (Cr) | 0.40-0.70% |
| | Molybdenum (Mo) | 0.20-0.30% |
| | Manganese (Mn) | ≤ 0.50% |
| | Phosphorus (P) | ≤ 0.025% |
| | Sulfur (S) | ≤ 0.020% |
| Diameter Tolerance | Outer Diameter | ±0.5 mm for pipes ≤ 76 mm in diameter |
| | | ±0.8 mm for pipes > 76 mm to ≤ 114 mm |
| | | ±1.0 mm for pipes > 114 mm to ≤ 140 mm |
| | | ±1.5 mm for pipes > 140 mm |
Applications:
- Fertilizer Production: Ideal for use in high-pressure pipelines and equipment within fertilizer manufacturing plants.
- Chemical Industry: Suitable for transporting chemicals and other substances in chemical processing plants.
- Petrochemical Industry: Utilized in the petrochemical sector for high-pressure and high-temperature applications.
- Power Plants: Can be used in power plants for steam and other high-pressure fluid transport.
- Boiler Systems: Employed in boiler systems for the safe and efficient transfer of high-pressure steam.
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