Our seamless steel pipes cover a full range of industrial sectors. In the oil and gas industry, they are used for crude oil transportation, natural gas pipeline laying, well casing and tubing, supporting long-distance fluid transportation under high underground pressure environments. In the chemical industry, these pipes are used in chemical medium transportation pipelines, reaction equipment connection pipes, and corrosion-resistant pipeline systems, capable of withstanding the corrosion of various acid and alkali chemicals. In the power plant boiler industry, high-pressure seamless steel pipes are used in conjunction with boiler feedwater pipes, steam transmission pipes, and thermal power supporting pipelines, and can operate stably under ultra-high temperature and pressure conditions. In addition, they are also widely used in municipal engineering, water conservancy projects, shipbuilding, automobile manufacturing, machinery processing, fire protection engineering, and building steel structure support projects, meeting diverse installation and usage needs under different regions and engineering standards.
Basic Product Data
| Item | Description |
| Applicable Standard | GB/T 8163 |
| Representative Steel Grades | 10, 20 |
| Size Range | φ51–710 × 6–30 × 6,000–12,000 mm |
Key Product Features
Precision rolled, with dimensions meeting standard requirements and performance meeting specifications
No. 20 steel has a tensile strength of 410–530 MPa and a lower yield strength of ≥245 MPa
Application Scenarios and Industries
It is primarily used for the transportation of fluid media such as water, oil, and gas, and is suitable for fluid transmission pipelines laid underground or overhead.

