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Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

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Testing method of plastic-coated steel pipe(Part One)

Testing method of plastic-coated steel pipe(Part One)

Keywords :plastic-coated steel pipe        Update : 2020-09-02        View(s) : 992

A. Visual inspection Visually inspects the appearance quality of the coated steel pipe .   B. Thickness measurement Take two cross-sections of different lengths from the two ends of the coated steel pipe, and measure the coating thickness at any four points ...

What are the details of the thick-walled steel pipe before use

What are the details of the thick-walled steel pipe before use

Keywords :thick-walled steel pipe        Update : 2020-08-31        View(s) : 965

1. Thick-walled steel pipe cutting: According to the actual required pipeline length, the pipe should be cut with a metal saw or a toothless saw. When water welding is used in the cutting process, the raw materials should be protected accordingly. When cutting, fire-resistant and heat-resistant ...

Features of non-destructive testing

Features of non-destructive testing

Keywords :Features of non-destructive testing        Update : 2020-08-27        View(s) : 1045

A. The feature of non-destructive testing is that it can be tested without damaging the material and structure of the test piece, so after the implementation of non-destructive testing, the inspection rate of the product can reach 100%. However, not all items and indicators that have to be teste...

Usage of spiral steel pipe for anti-corrosion

Usage of spiral steel pipe for anti-corrosion

Keywords :spiral steel pipe        Update : 2020-08-26        View(s) : 1047

Due to the corrosion of steel pipelines and equipment, production enterprises have stopped production and the quality of products has deteriorated. It affects the supply of gas, heating steam, or hot water, and brings many difficulties in people's lives. Leakage of buried pipelines and pipelin...

Features of submerged arc steel pipe

Features of submerged arc steel pipe

Keywords :submerged arc steel pipe        Update : 2020-08-21        View(s) : 1073

1. The welding process adopted by submerged arc steel pipe is submerged arc welding technology, which uses filler welding and particle protection flux submerged arc.   2. The production process of submerged arc steel pipe includes JCOE forming technology and coil forming sub...

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