Plastic coated steel pipes for water supply and drainage engineering are a high-strength, corrosion-resistant, and long-life pipeline material widely used in urban water supply, drainage, gas, HVAC, chemical and other fields. The p... [阅读全文]

The production process of high-temperature glass wool steel sleeve steel steam buried composite insulation pipe mainly includes the following steps: steel pipe processing, preparation of high-temperature glass wool insulation material... [阅读全文]

Double sided submerged arc welded spiral steel pipe is a seam steel pipe made by welding steel plates or steel strips after being curled and formed. It has the advantages of small size deviation, uniform wall thickness, simple... [阅读全文]

The weld seam of spiral welded steel pipe is evenly distributed on the circumference of the spiral pipe, and the spiral welded steel pipe has high dimensional accuracy and strong strength. Under the same specifications of wall... [阅读全文]

A hydrophobic buried steel sleeve steel elbow (steel sleeve steel fixed joint or steel sleeve steel compensator) is a special steam pipeline accessory mainly used for conveying high-temperature and high-pressure steam or hot water... [阅读全文]

The technical requirements for steel sleeve steel buried steam insulation pipelines mainly include the following aspects: 1. The steel pipes of steel sleeve steel buried steam insulation pipelines should comply with relevant standa... [阅读全文]

The quality inspection of welded steel pipes includes inspection and acceptance. The technical supervision agency conducts item by item inspections and tests on welded steel pipe products based on local standards, industry standard... [阅读全文]

The forms of anti-corrosion coating for plastic coated steel pipes include inner and outer epoxy resin powder coated steel pipes, inner epoxy resin powder coated steel pipes, and outer polyethylene powder coated steel pipes. The... [阅读全文]

The principle of spiral seam welded steel pipe welding method has the following characteristics: 1 The spiral seam welding method for steel pipe welding has a faster welding speed, which can greatly improve production efficiency.... [阅读全文]

Mining double resistant coated steel pipe is a composite steel pipe with compressive and tensile properties, which is sprayed with epoxy resin (EP) anti-corrosion coating on the inner and outer surfaces of the steel pipe. It is... [阅读全文]