Our company has four production line of double-sided submerged arc welding spiral pipe, with an annual output of 100,000 tons per year. Our company introduced a high technological equipment- Lincoln US automatic welding equipment. And our spiral welded steel pipes are widely used for oil, natural gas industry, heat pipelines, wall casing, construction piling, high-rise building frame structure and water supply.
The company has acquired a variety of scientific and advanced equipment: such as online ultrasonic automatic flaw detector, "Kemaite" X-ray industrial television, "Thomson" X-ray real-time imaging system, 2000t hydrostatic test Machines and other important testing equipment. These devices ensure the quality of steel pipes products.
Items |
Specification |
Outside Diameter |
219mm~1620mm |
Pipe Length |
12 meters |
Thickness of Wall |
5.0mm~16.0mm |
Materials |
Q235B Q345 St37 St52 SS400 STK500 |
Standard |
SY/T 5037, API spec 5L, GB/T 3091 |
Pipe End |
bevelled |
Surface Treatment |
Oiled, black painting, anti-corrosion coating |
Usage |
water pipe, steel piling, oil and gas pipe, etc |
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