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: 410116Phone:0086-731-8873-9521
Keywords :Forged flange production process Update : 2022-05-26 View(s) : 750
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...
Keywords :Large diameter welded steel pipe production process Update : 2022-05-24 View(s) : 936
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...
Keywords :How should the spiral steel pipe be anti-corrosion in the water supply pipe Update : 2022-05-20 View(s) : 898
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...
Keywords :Construction and storage of epoxy resin anti-corrosion steel pipe Update : 2022-05-18 View(s) : 791
Construction and storage of epoxy resin anti-corrosion steel pipe (1) The dust, oil, oxide scale, etc. on the surface of the object must be cleaned before painting. Reach Sa 2.5 to guarantee the quality of the painting. It is strictly forbidden to bring water into the construction. ...
Keywords :There are several ways to connect galvanized steel pipes Update : 2022-05-16 View(s) : 909
There are three ways to connect galvanized steel pipes : 1. Rolling groove connection Cracking of rolling groove welds: ① Smooth the inner wall welding rib of the pressure groove part of the nozzle to reduce the rolling groove resistance; ② Adjust the axis of the steel pipe an...