The production of coated steel pipes requires the selection of appropriate types of coated materials based on the material and usage environment of the steel pipes, and the proportioning according to the instructions for material... [阅读全文]

Coated steel pipes have excellent corrosion resistance and relatively low friction resistance. Epoxy resin powder coated steel pipes are suitable for conveying media such as water supply and drainage, seawater, warm water, oil, ga... [阅读全文]

The powder coated composite steel pipe is coated with flame retardant and modified with epoxy resin powder. The coating has superior temperature resistance and does not burn or soften during long-term use. The coated composite s... [阅读全文]

How to handle the weld seam of double-sided submerged arc welding spiral seam welded steel pipe? If the gap between the double-sided submerged arc welding spiral seam welded steel pipes is too large, it will cause a reduction... [阅读全文]

Water supply coated steel pipes generally use straight seam high-frequency welded steel pipes and spiral seam submerged arc welded steel pipes as the base pipes, and the material is mostly Q235B. The epoxy resin powder coating ... [阅读全文]

Definition and measurement of welding deviation in spiral steel pipe welds: a. Definition of welding deviation: Currently, the definition of welding deviation in spiral steel pipe welds mainly includes the distance from the inner... [阅读全文]

The appearance color of the fire water supply epoxy resin coated composite steel pipe is red, and seamless steel pipe is selected as the working steel pipe. The inner and outer surfaces of the steel pipe are processed by epo... [阅读全文]

Double sided submerged arc welded spiral steel pipe is a professional term, abbreviated as spiral welded pipe or spiral steel pipe. It is named because its production process is double-sided submerged arc welding (commonly known... [阅读全文]

Polyurethane prefabricated buried insulation pipes are mainly used for hot water transportation in heating insulation pipelines, which can meet the transportation of hot water at 130 degrees Celsius, with a peak value of up to 1... [阅读全文]

The influence of chemical element content in double-sided submerged arc welded spiral steel pipes on the steel pipe is manifested as the higher the carbon content, the higher the hardness of the steel in the steel plate, and ... [阅读全文]