... , GR 3ASTM A53: GR A, GR B, GR C, GR DBS 4360: Grade 43, Grade 50EN: S275, ... JIS, ISO6.Process: Spiral Submerged- Arc Welded Steel Pipe 7.Usage: Used for low pressure liquid delivery ... casing pipe, seamless steel pipe, LSAW steel pipe, SSAW (spiral) steel pipe, square tube, ERW steel pipe and other ... lindayuan1124Mobile: +86-15226605670 SSAW Round Hollow Section Steel Tube with Fusion Bond Epoxy Coating