... .,Ltd,as a leading ERW and SSAW steel pipe manufacturerin China. All these steel pipes are suitable for the industries of ... —22mmLength0.3—12mSteel GradeAPI 5L:Gr B,X42,X46,X56,X60,X65,X70ASTMA53:GrA,GrBEN:S275,S275JR,S355JRH,S355J2H, ... , USA, Italy, Korea, Indonesia, etc Manufacturing Technological Process ERW Steel Pipe PictureCertificate:Our main customer: Our customersWe always put the quality ...