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 :stainless steel clad steel pipe Update : 2020-09-21 View(s) : 1084
The lining stainless steel composite steel pipe (304+Q235B) is a new type of composite pipe, which has the characteristics of corrosion resistance, high-temperature resistance, high extensibility, and high strength. It is widely used in the process of pipelines of new and expanded petrochemica...
Keywords :Flange classification Update : 2020-09-16 View(s) : 1148
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) : 1035
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) : 1102
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 ...