Large Diameter Welded Steel Pipe

Large Diameter Welded Steel Pipe

Cangzhou Huishang Pipe Fittings Manufacturing Co., Ltd. supplies large diameter welded steel pipes that meet the demanding requirements of modern infrastructure and industrial projects. As one of the leading steel pipe manufacturers in Cangzhou, Hebei Province, we provide welded steel pipes with excellent strength, dimensional accuracy and corrosion resistance.

Product Features

Our large diameter welded steel pipes are produced using the spiral submerged arc welding process, which creates a continuous, strong weld seam along the pipe body. The pipes feature uniform wall thickness, smooth surface finish and precise outer diameter control. They are manufactured on automated production lines with strict quality monitoring at every stage.

Manufacturing Standards

All large diameter welded steel pipes are manufactured in accordance with internationally recognized standards, including GB/T 9711, API 5L and ASTM A252. We use high quality Q235B and Q345B carbon steel strips as raw material, ensuring that the finished pipes deliver reliable performance in service.

Available Specifications

We offer large diameter welded steel pipes with outer diameters from 219 mm to 3620 mm and wall thicknesses from 5 mm to 32 mm. Custom lengths, bevelled ends, and surface treatments such as anti-corrosion coating can be provided according to customer requirements. Hydrostatic testing and material certificates are available for every order.

Wide Range of Applications

Large diameter welded steel pipes are commonly used in water supply and drainage systems, oil and gas pipelines, port and marine engineering, bridge construction and agricultural irrigation. Our products have been exported to more than 50 countries and are trusted by engineering companies worldwide.

Professional Service

At Cangzhou Huishang, we are committed to providing our customers with high quality products and professional services. Our experienced team offers technical consultation, competitive quotations and reliable logistics support. Contact us today for your large diameter welded steel pipe requirements.