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DIN 30670
DIN 30670 refers to polyethylene coatings on steel pipes and fittings –Requirements and testing. This standard specifies requirements for factory-applied three-layer extruded polyethylene-based coatings, and one- or multi-layered sintered polyethylene-based coatings for the corrosion protection o...Read more -
Carbon round steel pipe ,SMLS/ERW/SSAW/SAWL
Among all other steel pipes, round steel pipes are used more frequently. The round steel pipes are used most widely in construction industry. According to the different applications, the round steel pipes have different diameters. These pipes can be customized easily. These steel pipes are availa...Read more -
Bearing pipes
Bearing pipe is a kind of seamless steel pipe by hot-rolled or cold-rolled ( cold drawn ), used for the manufacture of ordinary bearing rings. The outer diameter of pipe is usually 25-180 mm and with wall thickness of 3.5-20 mm. Bearing steel is used to make ball, roller and bearing rings of ste...Read more -
Argon welding
Argon welding use the argon as a protective gas welding technique,so also called argon gas welding. That is, around the arc of the argon gas through the air isolated from the welding area,to prevent oxidation of the weld zone. Argon welding technique is based on the general principle of arc weldi...Read more -
Advantages of Spiral Pipe
Spiral steel pipe and production process, human has invented many excellent welding and production methods, and greatly promote the steady and rapid development of the industry, also makes this industry in the development of optimized. Automatic submerged arc welding is a new welding method, inve...Read more -
Difference of LSAW,ERW and SSAW
ERW is high-frequency resistance welding straight seam welded pipe; LSAW is submerged arc welding straight seam welded pipe; Both belong to straight seam welded pipe, but the welding process are different. So you can’t say one of them on behalf of the straight seam welded pipe. More common...Read more