GB/T8162 Structural Seamless Carbon Steel Tube
Material
The material used in GB/T8162 Structural Seamless Carbon Steel Tubes is carbon steel.
Specification
These tubes conform to the standards outlined in the Chinese national standard GB/T8162.
Key Features
Seamless construction ensures uniformity and strength.
Specifically designed for structural applications.
Manufactured according to stringent Chinese national standards.
Chemical Composition
| Element | Chemical Composition (%) |
| C | ≤ 0.22 |
| Si | ≤ 0.55 |
| Mn | 1.20-1.60 |
| P | ≤ 0.040 |
| S | ≤ 0.040 |
Mechanical Properties
| Property | Value |
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 235 MPa |
| Elongation | ≥ 26% |
| Hardness | ≤ 187 HBW |
Physical Properties
| Property | Value |
| Density | 7.85 g/cm³ |
| Melting Point | 1420-1460°C |
| Thermal Conductivity | 51.9 W/m·K |
Process Performance
The seamless construction of GB/T8162 Structural Seamless Carbon Steel Tubes ensures excellent process performance, allowing for easy welding and forming.
Steel Grade
The steel grade used in these tubes is specified as per the Chinese national standard, typically Q235.
Application
GB/T8162 Structural Seamless Carbon Steel Tubes find application in various structural projects where strength, durability, and conformity to Chinese national standards are required.
Possible Alternative Grades
Depending on specific requirements and standards, alternative grades such as Q345 or ASTM equivalents may be considered as alternatives to Q235.
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