... Seamless Steel Pipe Description: Standard: API.SPEC.5CT-99, ASTM A53-2006, ASTM A106-99, DIN17175-79, DIN2440, DIN2448, JISG3452-54, JISG3461 ... , X52, X56, X60, X65, X70, X80 ASTM A53, Gr. A & B, ASTM A106 Gr. A&B, ASTM A135, ASTM A252 ASTM A500, API 2B, DIN 1626, ISO559 ... are with good quality and reasonable price, and they have a good sales report in Middle east, South America and European ...