... 2-1999, BS, JIS, ISO6.Process: Spiral Submerged- Arc Welded Steel Pipe 7.Usage: Used for low pressure liquid delivery, such ... API casing pipe, seamless steel pipe, LSAW steel pipe, SSAW (spiral) steel pipe, square tube, ERW steel pipe and other pipes in China, and the steel pipes can ... , the factory is located in Tianjin Jinghai Development Zone, a well-known Steel City in China. If you have any ...