1. Billet preparation

2. Perforation

3. Pipe extension

4. Sizing and reducing

5. Cooling and straightening

6. Inspection and cutting

Non-destructive testing

Cutting

Key process features

No weld: formed in one step through thermal deformation, with higher strength than welded steel pipes.

Applications: oil casing, high-pressure boiler pipes, pipes for mechanical structures, etc.

Application scenarios of seamless steel pipes

1. Oil and gas industry

2. Energy and power

High-pressure boiler tube

Nuclear power pipeline

3. Chemical and petrochemical

Reactor pipeline

High-pressure container

4. Machinery and automobile manufacturing

Hydraulic cylinder

Bearings and drive shafts

5. Buildings and infrastructure

Bridge support structures

Super high-rise buildings

6. Aerospace and military industry

7. Other special fields

Shipbuilding

Medical equipment

Why choose seamless steel pipes?

Safety: No welds, avoiding the risk of cracking.

Pressure bearing capacity: Uniform metallographic structure, suitable for high-pressure environments.

Customizability: High-precision thin-walled pipes can be produced by cold rolling/cold drawing.