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 :Large diameter welded steel pipe production process Update : 2022-05-24 View(s) : 940
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 :What is the stress state of the spiral steel pipe during the extrusion process Update : 2022-05-23 View(s) : 765
(1) During the extrusion process, the temperature of the inner lining of the spiral steel pipe increases continuously with the extrusion process. At the end of the extrusion, the temperature of the inner wall of the inner lining near the extrusion die is higher, reaching 631 °C. The temperature ...
Keywords :How should the spiral steel pipe be anti-corrosion in the water supply pipe Update : 2022-05-20 View(s) : 902
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 :What is the difference between fine polishing and rough polishing of stainless steel pipe fittings Update : 2022-05-19 View(s) : 762
What is the difference between fine polishing and rough polishing of stainless steel pipe fittings Rough polishing is the rough grinding and cutting of metal objects. Usually, this automatic polishing machine uses double polishing heads for polishing. The advantages of this...
Keywords :Construction and storage of epoxy resin anti-corrosion steel pipe Update : 2022-05-18 View(s) : 793
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. ...