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 :Flange classification Update : 2020-09-16 View(s) : 1379
1. According to national standards: integral flange, threaded flange , butt welding flange, flat welding flange with neck, socket welding flange with neck, butt welding ring loose flange with neck, plate flat welding flange, Buttweld ring plate loose flange, flat weld ring plate loose flange, f...
Keywords :Pre-treatment and use of straight seam steel pipe Update : 2020-09-11 View(s) : 1260
Non-destructive testing of the inside of the weld. Because the pipeline belongs to the extra-large steel pipe in the water supply project, especially the steel pipe with a thickness of t=30mm is used as a pipe bridge, which not only bears the internal water pressure but also bears the weight of ...
Keywords :spiral steel pipe Update : 2020-09-09 View(s) : 603
1. During the forming process, the steel plate deforms evenly, the residual stress is small, and the surface does not produce scratches. The processed spiral steel pipe has greater flexibility in the size and specification range of diameter and wall thickness, especially in the production of h...
Keywords :plastic-coated steel pipe Update : 2020-09-02 View(s) : 1366
A. Visual inspection Visually inspects the appearance quality of the coated steel pipe . B. Thickness measurement Take two cross-sections of different lengths from the two ends of the coated steel pipe, and measure the coating thickness at any four points ...
Keywords :thick-walled steel pipe Update : 2020-08-31 View(s) : 1281
1. Thick-walled steel pipe cutting: According to the actual required pipeline length, the pipe should be cut with a metal saw or a toothless saw. When water welding is used in the cutting process, the raw materials should be protected accordingly. When cutting, fire-resistant and heat-resistant ...