Our seamless steel pipe is produced by cold drawn, hot rolled and hot expanded processes, with OD from 8 mm to 1420 mm and wall thickness 2.5–75 mm, in carbon steel, alloy steel (12Cr1MoVG), stainless steel (304, 316L, 321) and duplex steel (2205). It is widely used for chemical, heating, municipal and power projects. Inspection records are provided with every shipment.
| Standard | Steel Grade | OD (mm) | Wall Thickness (mm) |
|---|---|---|---|
| GB/T 8163 | 10 / 20 / Q345 | 8–630 | 2.5–50 |
| GB/T 5310 | 20G / 15CrMoG / 12Cr1MoVG | 8–630 | 2.5–50 |
| GB/T 14976 | 304 / 316L / 321 / 2205 | 8–219 | 2.5–12 |
| Non-standard | Per customer drawings | 630–1420 | 50–75 |
Other standards available on request. If your standard or size is not listed, please contact us with your specification.
End finish: Plain ends, without caps. Packaging: In bundles with steel strips. Delivery: from Tianjin Xingang Port, 150 km from our factory; in-stock sizes dispatched quickly.

