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 :high carbon low alloy steel pipes Update : 2020-10-16 View(s) : 1065
(A) If the entire steel pipe is cooled to the martensitic transformation stop temperature (Mf point) or lower by strong water quenching, quenching cracks will occur with high probability. (B) Since the cracks at the time of quenching cracking extend substantially in the axial direction of the stee...
Keywords :What kind of connection is the flange Update : 2020-10-15 View(s) : 996
Flange connection is an important connection method for pipeline construction. Flange connection is to fix two pipes, pipe fittings, or equipment on a flange plate respectively, add flange pads between the two flange plates, and fasten them together with bolts to complete the...
Keywords :oil casing Update : 2020-09-30 View(s) : 1066
1. First of all, ensure that the water quality meets the standards, and strictly monitor and manage the water quality. Implement cleaning and separate injection, strengthen the cleaning of main water pipelines, ensure that the water quality in the station and the bottom of the well reach the sta...
Keywords :anti-corrosion pipelines Update : 2020-09-29 View(s) : 1174
From the overall measurement of material performance, construction, cost, and use effect, epoxy coal tar paint-glass fiber cloth coating is an ideal anti-corrosion method for buried pipelines in urban sewage treatment projects. From the perspective of technical performance, fusion bonded epoxy c...
Keywords :Oil and gas pipeline Update : 2020-09-24 View(s) : 1024
1.1 Manual welding with cellulose downward electrode When there is a pipeline with severe hydrogen sulfide corrosion or a pipeline operating in a cold environment, use a low-hydrogen type vertical downward welding electrode. Due to the flexibility of manual welding and the low requiremen...