SMLS Pipe,ERW,SSAW,LSAW,3PE/2PE/FBE coating pipe,RHS*SHS, API GRADE B ,X42.......X80 stainless steel pipe Standard DIN 17175 AND ASTM A106SMLS Pipe,ERW,SSAW,LSAW,3PE/2PE/FBE coating pipe,RHS*SHS,Chinease standardAPI GRADE B ,X42.......X80Europen standardother standard0-ø273 SMLS Pipeø273-ø610 ERW Pipeø610-up SSAW ,LSAW PipeMOQ30TON per sizeAPI ,EXW