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 : seamless pipe Update : 2020-03-30 View(s) : 1114
For the No. 45 seamless pipe that has just been produced, the curvature is relatively large, so it is necessary to straighten the No. 45 seamless pipe. Let’s take a look at the straightening process of the No. 45 seamless pipe. The 45-degree seamless pipe that has been pro...
Keywords :welding galvanized steel pipe Update : 2020-03-30 View(s) : 1598
1. the premise must be polished However, the galvanized layer at the weld must be polished away, otherwise air bubbles, trachoma, and false welding will be generated. It also makes the weld seams brittle and reduces rigidity. 2. the welding characteristic...
Keywords : stainless steel pipe Update : 2020-03-30 View(s) : 1179
The susceptibility of stainless steel to rust has a lot to do with the composition of stainless steel. In addition to iron, stainless steel also contains chromium, nickel, aluminum, and silicon. The chromium content of general stainless steel is generally not less than 12%, and the highest even ...
Keywords :seamless pipe Update : 2020-03-24 View(s) : 1018
Hot rolled seamless tubes are generally produced on automatic tube rolling mills. The solid pipe blank is inspected and removed for surface defects, cut to the required length, centered on the end face of the perforated end of the pipe blank, and then sent to a heating furnace for heating and pe...
Keywords :seamless tube pickling and passivation Update : 2020-03-24 View(s) : 1042
1. The pickling passivation seamless tube dipping method. The method is applicable to stainless steel pipelines, elbows, small parts, etc. And the treatment effect is good. Because the treated part can be fully immersed in the pickling passivation solution, the surfac...