Welcome to http://www.srtsteelpipe.com
   
Industry News
Contact Us
Industry News

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  

Home - News > Industry NewsIndustry News
What requirements should the weld repair of pressure steel pipelines meet

What requirements should the weld repair of pressure steel pipelines meet

Keywords :What requirements should the weld repair of pressure steel pipelines meet        Update : 2022-06-01        View(s) : 900

(1) Before repairing, analyze the causes of defects and propose corresponding repairing measures. (2) When repair welding is required for repair, the qualified welding process shall be adopted, and the welding shall be carried out by a qualified welder. (3) When the number of repairs for the sam...

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) : 998

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, ...

Forged flange production process

Forged flange production process

Keywords :Forged flange production process        Update : 2022-05-26        View(s) : 813

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...

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) : 989

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...

How should the spiral steel pipe be anti-corrosion in the water supply pipe

How should the spiral steel pipe be anti-corrosion in the water supply pipe

Keywords :How should the spiral steel pipe be anti-corrosion in the water supply pipe        Update : 2022-05-20        View(s) : 957

Usually, we use epoxy coal tar paint. If the requirements are high, 3 oil and 2 cloth can be used. 3 coats of paint and 2 coats of fiberglass cloth, staggered construction. If it is required, the primer and topcoat of epoxy coal tar can be used directly, and each construction is twice. Simple and co...

Page(s):  1 ... 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 ... 219