The leading product of Canghai Steel Pipe, spiral seam double-sided submerged arc welded steel pipe with a diameter of 219-3420 and a wall thickness of 6mm-26mm, and large-diameter thick wall [wall thickness can reach 70mm] double-sided submerged arc straight welded steel pipe, with an annual output of 80,000 tons Our products are widely used in natural gas, petroleum, chemical industry, electricity, heat, water supply and drainage, sugar, paper industry and other transmission lines and pile driving, subway steel support steel structure and other industries. In order to ensure the welding quality of the products, the factory's production lines all introduce advanced American Lincoln welding equipment and non-destructive testing equipment supporting the production line, portable X-ray full weld flaw detection, ultrasonic flaw detection, water pressure test, and establish a perfect quality control point , Testing points and complete process flow and product-related physical and chemical testing equipment. Make the product quality appearance, geometric size, weld root quality all meet the industry standard SY / T5037-2012 of the Ministry of Petroleum Industry.

 

 

    Canghai Steel Pipe will continue to research and develop this year, launch several new products for the market, and will repay the trust and support of our customers with updated technology, better quality, and more competitive market prices.