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 reinforced 3PE anti-corrosion steel pipe and ordinary 3PE anti-corrosion stee Update : 2023-01-11 View(s) : 415
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 :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 commonly used materials for the outer anti-corrosion layer of steel pipes Update : 2023-01-05 View(s) : 482
Commonly used steel pipeline corrosion coatings include traditional petroleum asphalt or asphalt enamel, coal tar and coal tar enamel, polyethylene, and polypropylene tapes. From a technical point of view, these anti-corrosion materials can be used for the prefabrication of the anti-corrosion la...
Keywords :What are the heat treatment methods for spiral steel pipes Update : 2023-01-03 View(s) : 417
1. Thermomechanical treatment High-temperature thermomechanical treatment can improve the yield ratio and elastic limit of spiral steel pipe . Improve the comprehensive mechanical properties, fatigue properties, and stress relaxation properties of the spiral steel pipe. Reducing the ductile-bri...
Keywords :Selection of welding skills for stainless steel pipe fittings Update : 2022-12-29 View(s) : 367
1. Argon arc welding is a welding technique that uses argon as a shielding gas. Also known as argon gas-shielded welding. It is to pass argon protective gas around the arc welding to isolate the air from the welding area and prevent the oxidation of the welding area. Argon arc welding technology is ...