In the construction project, the pipe is used in seabed tunnel, seabed piling, breakwater, and oil extraction.In other fields, the pipe is used in high-pressure container and machine housing.

• 在工程建设中用于海底隧道，海底打桩，防坡堤及海上采油平台等，在其它领域还用于高压容器，机架外壳等。