... to clients BA seamless pipe: we can offer:1.standard; ASTM/ASME A312/SA312,ASTM/ASME A213/SA213,ASTMA269 ... Wall thickness:1mm-30mm4.Length; according to customers' requests5.tolerance:meet the standard6.material: 304, 304L,310S,316,316L, 321,321H ... plastic bag , wooden case or according customers' request9.Application: the product are widely used in fertilized petroleum, central-station, boiler ...