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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

Phone:0086-731-8873-9521  

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Why do stainless steel pipes need solution annealing

Why do stainless steel pipes need solution annealing

Keywords :Why do stainless steel pipes need solution annealing        Update : 2024-02-02        View(s) : 482

Austenitic stainless steel is softened by solid solution treatment. Generally, the stainless steel pipe is heated to about 950~1150℃, and kept for some time, so that the carbides and various alloying elements are fully and evenly dissolved in the austenite, and then quickly quenched to cool. , carbo...

Stainless steel seamless steel pipe knowledge

Stainless steel seamless steel pipe knowledge

Keywords :Stainless steel seamless steel pipe knowledge        Update : 2024-01-31        View(s) : 454

Stainless steel seamless steel pipe is a hollow long steel pipe, which is widely used as a pipeline for transporting fluids, such as oil, natural gas, water, coal gas, steam, etc. In addition, when bending and torsional strength are the same, it is lighter in weight. Therefore, it is also widely use...

There are several ways to connect galvanized steel pipes

There are several ways to connect galvanized steel pipes

Keywords :There are several ways to connect galvanized steel pipes        Update : 2024-01-29        View(s) : 1

There are three connection methods for galvanized steel pipes: 1. Rolling groove connection Cracking of the rolling groove weld: ① Grind the inner wall welding bars of the grooved part of the pipe mouth to reduce the rolling groove resistance; ② Adjust the axis of the steel pipe and the rolli...

Large-diameter welded steel pipe production process

Large-diameter welded steel pipe production process

Keywords :Large-diameter welded steel pipe production process        Update : 2024-01-25        View(s) : 1

1: Conduct physical and chemical inspections on raw materials such as strip coils, welding wires, and fluxes. 2: The head and tail of the strip are butt-jointed using single-wire or double-wire submerged arc welding. After being rolled into a steel pipe, automatic submerged arc welding is used ...

Spiral steel pipe submerged arc welding process instructions

Spiral steel pipe submerged arc welding process instructions

Keywords :Spiral steel pipe submerged arc welding process instructions        Update : 2024-01-23        View(s) : 387

Submerged arc automatic welding is a new welding method invented in 1940. The same thing as the previous manual welding is that it still uses slag protection, but this slag is not the coating of the welding rod, but a specially smelted flux. This flux system consists of a funnel that carries the flu...

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