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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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Spiral tubes can be divided into several categories according to their use

Spiral tubes can be divided into several categories according to their use

Keywords :Spiral tubes can be divided into several categories according to their use        Update : 2022-05-30        View(s) : 1014

There are roughly four types of spiral steel pipes according to their uses: drainage spiral steel pipes , dredging spiral steel pipes , piling spiral steel pipes , and oil and gas spiral steel pipes . Spiral steel pipe for drainage: Spiral steel pipe material for drainage: Q235A, ...

Causes of trachoma at the welding seam of spiral seam submerged arc welded steel pipe

Causes of trachoma at the welding seam of spiral seam submerged arc welded steel pipe

Keywords :Causes of trachoma at the welding seam of spiral seam submerged arc welded steel pipe        Update : 2022-05-27        View(s) : 1

Spiral steel pipe is made of strip steel through the coiling machine, bending in a spiral direction, and then double-sided submerged arc welding by a capacitor. In the production process of spiral steel pipe welding, many galvanized channel steel situations such as missing welding and misalign...

Forged flange production process

Forged flange production process

Keywords :Forged flange production process        Update : 2022-05-26        View(s) : 831

Forged flange production process The forging process generally consists of the following procedures, namely, selecting high-quality steel billets, blanking, heating, forming, and cooling after forging. Forging process methods include free forging, die forging, and fetal membrane forg...

Causes of trachoma at the welding seam of spiral seam submerged arc welded steel pipe

Causes of trachoma at the welding seam of spiral seam submerged arc welded steel pipe

Keywords :Causes of trachoma at the welding seam of spiral seam submerged arc welded steel pipe        Update : 2022-05-25        View(s) : 850

Spiral steel pipe is made of strip steel passing through a coiling machine, bending in a spiral direction, and then double-sided submerged arc welding by capacitors. In the production process of spiral steel pipe welding, many galvanized channel steel situations such as missing welding and mis...

Large diameter welded steel pipe production process

Large diameter welded steel pipe production process

Keywords :Large diameter welded steel pipe production process        Update : 2022-05-24        View(s) : 1006

1: Physical and chemical inspection of raw materials such as strip coils, welding wires, and fluxes. 2: The head and tail of the strip are butted, using single-wire or double-wire submerged arc welding, and automatic submerged arc welding is used after rolling into a steel pipe . 2: Before fo...

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