We are offering Steel Pipes.......Stainless Steel: ASTM A312 TP 304/ 304L/ 304H/ 316/ 316L/ 317/ 317L/ 321/310/ 347/ 904L etc.Carbon Steel: ASTM A53 GR. B/ A106 GR. B/ API 5L GRADE B/ API 5L GR. X42/46/52/56/60/65/70/ A333 GR. 3/ GR. 6 etc.Alloy Steel: ASTM A335 GR. P1/ P5/ ...