GB/T8162 Hot Rolled Structural Seamless Carbon Steel Tube For Mechanical Structure
Material
The material used for GB/T8162 hot rolled structural carbon seamless steel tubes for mechanical structure is carbon steel.
Specification
The specification of GB/T8162 hot rolled structural carbon seamless steel tubes for mechanical structure is as follows:
| Specification | Value |
| Outer Diameter | From 10.3mm to 660.4mm |
| Wall Thickness | From 1.24mm to 60mm |
| Length | Fixed length or random |
Chemical Composition
The chemical composition of GB/T8162 hot rolled structural carbon seamless steel tubes for mechanical structure is as follows:
| Element | Percentage Range |
| C (Carbon) | 0.22% - 0.28% |
| Si (Silicon) | 0.17% - 0.37% |
| Mn (Manganese) | 0.40% - 0.70% |
| P (Phosphorus) | ≤ 0.035% |
| S (Sulfur) | ≤ 0.035% |
Mechanical Properties
The mechanical properties of GB/T8162 hot rolled structural carbon seamless steel tubes for mechanical structure are as follows:
| Property | Minimum Value |
| Tensile Strength (Mpa) | 410 |
| Yield Strength (Mpa) | 245 |
| Elongation (%) | 25 |
| Impact Toughness (J/cm²) | ≥ 20 |
| Hardness (HB) | ≤ 197 |
Steel Grade
The steel grade for GB/T8162 hot rolled structural carbon seamless steel tubes for mechanical structure is designated as 10#, 20#, 35#, 45#, 16Mn, 12CrMo, 15CrMo, 20Cr, 40Cr, 30CrMnSi, 20CrMnTi, and other grades as per customer requirements.
Application
GB/T8162 hot rolled structural seamless carbon steel tubes for mechanical structure are widely used in various industries and applications such as machinery, automobiles, bicycles, furniture, agricultural machinery, and structural components. These tubes provide excellent strength and durability, making them suitable for applications requiring high load-bearing capacity and structural integrity.
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