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Cangzhou Baoyang Pipeline Equipment Co., Ltd.
2 Years
| Ask Lasest Price | |
| Brand Name : | BaoYang |
| Model Number : | GB/T 8162-1999 |
| Certification : | CE & ISO |
| Price : | Negotiable |
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union |
| Delivery Time : | 7~30 working days |
GB/T 8162-1999 Seamless Steel Tubes for Structural Purposes
GB/T 8162-1999 is a Chinese national standard that specifies the
technical requirements for seamless steel tubes used in structural
applications. These tubes are widely utilized in various
industries, including construction, machinery manufacturing, and
transportation. This article aims to provide a comprehensive
description of GB/T 8162-1999 Seamless Steel Tubes, covering their
product description, parameter table, applications, and advantages.
Product Description:
GB/T 8162-1999 Seamless Steel Tubes for Structural Purposes are
manufactured using high-quality carbon structural steel. These
tubes are produced through hot-rolled or cold-drawn processes,
ensuring a seamless and uniform structure. The tubes exhibit
excellent dimensional accuracy, smooth surface finish, and superior
mechanical properties, making them suitable for a wide range of
structural 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 |
| 35 | ≥510 | ≥305 | ≥17 | ≥27 | 0.32-0.39 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 |
| 45 | ≥590 | ≥335 | ≥14 | ≥27 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 |
| 16Mn | ≥490 | ≥315 | ≥21 | ≥34 | 0.12-0.20 | 0.17-0.37 | 1.20-1.60 | ≤0.035 | ≤0.035 |
| Q345B | ≥490 | ≥345 | ≥21 | ≥34 | 0.12-0.20 | 0.17-0.37 | 1.20-1.60 | ≤0.035 | ≤0.035 |
| Q345D | ≥490 | ≥345 | ≥21 | ≥34 | 0.12-0.20 | 0.17-0.37 | 1.20-1.60 | ≤0.030 | ≤0.030 |
| Q345E | ≥490 | ≥345 | ≥21 | ≥34 | 0.12-0.20 | 0.17-0.37 | 1.20-1.60 | ≤0.025 | ≤0.025 |
Product Applications:
GB/T 8162-1999 Seamless Steel Tubes find extensive applications in
the following areas:
Structural Engineering: These tubes are widely used in the construction of buildings, bridges, stadiums, and other structural frameworks. Their excellent strength and durability ensure structural stability and load-bearing capacity.
Machinery Manufacturing: These seamless tubes are utilized in the production of machinery components such as gears, shafts, and cylinders. Their precise dimensions, high tensile strength, and good machinability contribute to the efficient operation of machinery.
Transportation: GB/T 8162-1999 Seamless Steel Tubes are employed in the automotive, railway, and aerospace industries for manufacturing vehicle chassis, suspension systems, and other structural parts. Their reliability and resistance to mechanical stress make them suitable for demanding transportation applications.
Product Advantages:
GB/T 8162-1999 Seamless Steel Tubes offer several advantages that
contribute to their widespread usage:
Excellent Mechanical Properties: The tubes exhibit high tensile strength, yield strength, and impact toughness, ensuring reliable performance under varying loads and conditions.
Seamless Structure: The seamless manufacturing process eliminates the presence of welds or joints, enhancing the structural integrity and reducing the risk of leakage or failure.
Dimensional Accuracy: GB/T 8162-1999 specifies strict dimensional tolerances, ensuring precise and consistent tube dimensions, which facilitates easy installation and compatibility with various components.
Wide Range of Grades: The standard offers a range of grades with different mechanical properties, enabling manufacturers to select the most suitable grade for specific applications.
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