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Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

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

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Steel pipe pressure processing method

Steel pipe pressure processing method

Keywords :Steel pipe pressure processing method        Update : 2023-07-03        View(s) : 334

Fundamentally speaking, the measures to prevent the formation of pores in the weld are to limit the dissolution or generation of gas in the molten pool and to exclude the gas present in the molten pool. (1) Eliminate gas sources: ①Surface treatment Before welding the steel weldment, the oxide fi...

How to prevent the formation of weld porosity

How to prevent the formation of weld porosity

Keywords :How to prevent the formation of weld porosity        Update : 2023-06-29        View(s) : 271

Fundamentally speaking, the measures to prevent the formation of pores in the weld are to limit the dissolution or generation of gas in the molten pool and to exclude the gas present in the molten pool. (1) Eliminate gas sources: ①Surface treatment Before welding the steel pipe weldment, the...

Anti-corrosion inside the steel pipe

Anti-corrosion inside the steel pipe

Keywords :Anti-corrosion inside the steel pipe        Update : 2023-06-27        View(s) : 242

Steel pipe inner wall anti-corrosion is an anti-corrosion device for the inner wall of the steel pipe welding zone, which is characterized by a sacrificial anode made of lead, magnesium, zinc, or their alloys connected to a terminal made of conductive metal material, the terminal The outer edge ...

Precision-rolled seamless steel pipe

Precision-rolled seamless steel pipe

Keywords :Precision-rolled seamless steel pipe        Update : 2023-06-25        View(s) : 216

The main business is DIN-2391 standard hydraulic seamless steel pipe (GB3639-83), which has been tested and confirmed by the national authority, and all indicators of the steel pipe fully meet the technical standards of German, Japanese, and American seamless steel pipes. Its salient features ar...

Quality requirements for seamless steel pipes

Quality requirements for seamless steel pipes

Keywords :Quality requirements for seamless steel pipes        Update : 2023-06-20        View(s) : 286

The surface quality of steel pipe: requirements for smooth surface a. Dangerous defects: cracks, inward folds, outward folds, crushing, delamination, scarring, concaves, convex hulls, etc. b. General defects: pockmarks, green lines, scratches, bruises, slight inner and outer straights, roller ma...

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