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 :Which is better spiral welded steel pipe or welded steel pipe Update : 2023-01-12 View(s) : 820
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) : 856
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) : 961
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...
Keywords :What are the details of thick-walled steel pipes before use Update : 2023-01-06 View(s) : 925
The welding method of thick-walled steel pipes should be selected according to the material and wall thickness of thick-walled steel pipes. Because different welding methods have different arc heat and arc force, different welding methods have different characteristics. For example, tungsten arc...