GB8163-99 Seamless Steel Pipe for Fluid Transporting
Introduction:
GB8163-99 is a Chinese national standard that outlines the technical requirements for seamless steel pipes used in fluid transporting applications. These pipes are widely employed in industries such as petroleum, natural gas, water, and other fluid transportation systems. This article provides a comprehensive overview of GB8163-99 Seamless Steel Pipe for Fluid Transporting, including product description, parameter table, applications, and advantages.
Product Description:
GB8163-99 Seamless Steel Pipe for Fluid Transporting is 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 a wide range of fluid transportation 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 | ≥25 | ≥27 | 0.07-0.13 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 |
20 | ≥410 | ≥245 | ≥20 | ≥27 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 |
Q295 | ≥390 | ≥295 | ≥22 | - | 0.14-0.19 | 0.17-0.37 | 0.90-1.30 | ≤0.035 | ≤0.035 |
Q345 | ≥490 | ≥345 | ≥21 | - | 0.12-0.20 | 0.17-0.37 | 1.20-1.60 | ≤0.035 | ≤0.035 |
Q390 | ≥570 | ≥390 | ≥18 | - | 0.16-0.22 | 0.17-0.37 | 1.20-1.60 | ≤0.035 | ≤0.035 |
Q420 | ≥520 | ≥420 | ≥16 | - | 0.16-0.22 | 0.17-0.37 | 1.20-1.60 | ≤0.035 | ≤0.035 |
Product Applications:
GB8163-99 Seamless Steel Pipe for Fluid Transporting finds extensive applications in the following areas:
Petroleum Industry: These pipes are widely used for transporting crude oil, natural gas, and petroleum products from extraction sites to refineries and distribution centers. They ensure reliable and efficient flow of fluids in pipelines.
Water Supply and Drainage Systems: These seamless pipes are utilized in municipal water supply and drainage systems, delivering clean water to households and removing wastewater. Their smooth inner surface reduces fluid resistance and prevents blockages.
Chemical Industry: These pipes are suitable for transporting various chemicals and corrosive fluids within chemical plants and industrial facilities. Their high chemical resistance ensures the safe and efficient transfer of fluids.
Power Generation: GB8163-99 pipes are employed in power plants for the transportation of steam, condensate, and other fluids. They can withstand high pressure and temperature conditions, ensuring the uninterrupted operation of power generation systems.
Product Advantages:
GB8163-99 Seamless Steel Pipe for Fluid Transporting offers several advantages that contribute to its widespread usage:
Excellent Corrosion Resistance: These pipes exhibit high resistance to corrosion, making them suitable for transporting corrosive fluids and ensuring long-term durability.
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.
Precise Dimensional Accuracy: GB8163-99 specifies strict dimensional tolerances, ensuring precise and consistent pipe dimensions, which facilitates easy installation and compatibility with various pipe fittings.
Superior Mechanical Properties: The pipes possess excellent tensile strength, yield strength, and elongation, ensuring reliable performance under high-pressure and high-temperature conditions.