GB/T 8162 Hot Rolled Structural Seamless Tube
Material
The GB/T 8162 standard specifies the material requirements for hot rolled structural seamless tubes. The primary material used for manufacturing these tubes is steel.
Specification
The specification outlined by GB/T 8162 for hot rolled structural seamless tubes includes various parameters and dimensions. These specifications ensure the quality and performance of the tubes. The key specifications are as follows:
| Parameter | Value |
| Outer Diameter | Range from 10mm to 426mm |
| Wall Thickness | Range from 1mm to 60mm |
| Length | Fixed or random length |
Chemical Composition
The chemical composition of GB/T 8162 hot rolled structural seamless tubes is essential for understanding their material properties and performance. The table below presents the typical chemical composition of these tubes:
| Element | Composition Range (%) |
| Carbon (C) | 0.12-0.20 |
| Silicon (Si) | 0.17-0.37 |
| Manganese (Mn) | 0.40-0.70 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.035 |
Mechanical Properties
The mechanical properties of GB/T 8162 hot rolled structural seamless tubes determine their strength, durability, and suitability for various applications. The table below summarizes the typical mechanical properties of these tubes:
| Property | Value |
| Tensile Strength | 410-550 MPa |
| Yield Strength | ≥245 MPa |
| Elongation | ≥25% |
| Hardness | ≤187 HB (Brinell Hardness) |
| Impact Toughness | ≥34 J/cm² (at 0°C) |
Steel Grade
GB/T 8162 hot rolled structural seamless tubes are available in different steel grades, each with specific properties and characteristics. Some commonly used steel grades for these tubes include:
- 10#
- 20#
- 35#
- 45#
- Q345B
- Q345D
- Q345E
Application
GB/T 8162 hot rolled structural seamless tubes find wide-ranging applications in various industries. Due to their high strength, excellent weldability, and favorable mechanical properties, they are commonly used in the following applications:
- Structural components in buildings and infrastructure
- Mechanical and engineering purposes
- Construction of machinery and equipment
- Transporting fluids and gases in pipelines
- Manufacturing of automotive parts
- Oil and gas exploration and production
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
Contact Now
