The main grades TP304/L/H, TP316/L/Ti, TP317/L, TP321/H, TP347H, TP310S, UNS S31803�CS32205, S32750,S32760 Production Standard: ASTM A312seamless and welded austenitic stainless steel pipe ASTM A789general purpose Ferritic / austenitic stainless steel seamless and welded steel pipe ASTM A213 boiler, superheater and heat exchanger Seamless Ferritic and austenitic alloy steel tubes GB/T14976-2002 fluid transfer stainless steel seamless steel pipe GB/T12771-2008 fluid transfer of stainless steel welded pipe
