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 :The difference between the standard specification of spiral steel pipe and precision steel pipe Update : 2023-01-13 View(s) : 1
Spiral steel pipes are mainly used in water supply engineering, the petrochemical industry, the chemical industry, the electric power industry, agricultural irrigation, and urban construction. Spiral steel pipes are 20 key products developed in my country. Used for liquid transportation: water s...
Keywords :Which is better spiral welded steel pipe or welded steel pipe Update : 2023-01-12 View(s) : 859
1. The material is the same, but the purpose is different, so there is no question of who is better. 2. Spiral welded pipe refers to a steel pipe with seams on the surface that is welded after bending and deforming a steel strip or steel plate into a circular, square, or another shape. Accordi...
Keywords :The difference between reinforced 3PE anti-corrosion steel pipe and ordinary 3PE anti-corrosion stee Update : 2023-01-11 View(s) : 889
At present, there are two standards for 3PE anti-corrosion steel pipes , namely GB/T 23257-2009 and GB/T 23257-2017. GB/T 23257-2017 is a new standard, implemented in December 2017. The two standards differ mainly in the following ways: 3PE anti-corrosion steel pipe 1. The des...
Keywords :Causes of slag inclusion in straight seam steel pipe and cutting method Update : 2023-01-10 View(s) : 998
Welded steel pipe slag inclusions are slag that remains inside the weld. From a theoretical analysis, the main reasons for the slag inclusion in the submerged arc automatic welding seam are as follows: ①There are many inclusions in the raw materials (including base metal, welding wire, and flux); ②T...
Keywords :Quality inspection method of spiral steel pipe Update : 2023-01-09 View(s) : 1
The quality inspection method for spiral steel pipe is as follows: 1 Judging from the surface, that is, in visual inspection. Visual inspection of welded joints is a simple procedure with various inspection methods and is an important part of finished product inspection, mainly to find welding...