Standard for Welded Pipe

Welded pipe are usually used for the transportation lower pressure fluids such as water, gas, air, oil and heating steam.

Carbon steel wire pipe(GB3640-88) are used to protect electric wires in electrical installation projects such as industrial and civil buildings, installation machinery and equipment.

ERW steel pipe (YB242-63) is a steel pipe with welds parallel to the longitudinal direction of the steel pipe. Usually divided into metric welded pipes, welded thin-walled pipes, transformer cooling oil pipes and so on.

SSAW steel pipe for pressure fluid conveyance (SY5036-83) is a spiral seam steel pipe used for pressure fluid transfer. . The steel pipe has strong pressure bearing capacity and good welding performance. After various strict scientific inspections and tests, it is safe and reliable to use. The diameter of the steel pipe is large, the transmission efficiency is high, and the investment for laying the pipeline can be saved. It is mainly used to transport oil and natural gas pipelines.

Spiral seam high-frequency welded pipe for pressure fluid transfer (SY5038-83) is a spiral seam welded by hot-rolled steel strip as a pipe blank, which is often spiral-shaped and welded by high-frequency overlap welding. High frequency welded steel pipe. The steel pipe has strong pressure bearing capacity, good plasticity, and is convenient for welding and processing. After various rigorous and scientific inspections and tests, it is safe and reliable to use, the diameter of the steel pipe is large, the transmission efficiency is high, and the investment in laying pipelines can be saved. It is mainly used for laying pipelines that transport oil and natural gas.