Plastic coated composite steel pipes can be divided into three types according to their connection methods: groove clamp connection, double flange welded plastic coated composite steel pipes, flexible socket type plastic coated com... [阅读全文]

The composite steel pipe coated with plastic for water supply adopts processes such as sandblasting chemical dual pre-treatment, preheating, internal coating, external coating, curing, and post-treatment. The composite steel pipe coa... [阅读全文]

The coated composite steel pipe used in coal mine underground is a steel plastic composite pipe formed by coating a layer of polyethylene and epoxy resin powder organic matter with a thickness of 0.2-1.0mm inside and outside t... [阅读全文]

The main revision content of the standard for water supply coated plastic composite steel pipes is as follows: adding terms and definitions such as coated plastic composite steel pipes; Revised the classification and labeling of... [阅读全文]

The length of the needle hole test specimen for coated composite steel pipes is about 1000mm. The coating of the steel pipes is inspected using an electric spark leak detector under the specified test voltage. The coating thic... [阅读全文]

Spiral welded steel pipes coated with plastic both inside and outside have high strength and corrosion resistance. It uses high-strength steel as the substrate, and after professional processing and treatment, it has high compressive and tensile strength, which can withstand large working pressure and loads. [阅读全文]

Mining double resistant coated spiral steel pipes have wear resistance. During mining operations, pipelines are often subjected to the impact and friction of high-speed flowing media, which places high demands on the wear resistan... [阅读全文]

The large-diameter coated plastic steel pipe for water transportation is a type of pipe that is reinforced and reinforced with carbon steel pipe as the matrix, and a layer of polyolefin plastic coating is sprayed on the inner... [阅读全文]

Before welding 3PE anti-corrosion steel pipes, it is necessary to first remove the external anti-corrosion layer of 50-100mm at the end of the pipe mouth, remove the oil, water, rust and other dirt within 20mm on both sides o... [阅读全文]

The coating of 3PE anti-corrosion steel pipe is an epoxy powder anti-corrosion coating that contacts the bottom layer and the surface of the steel pipe. The middle layer of 3PE anti-corrosion steel pipe is a copolymer adhesive... [阅读全文]