1.duplex stainless steel S32750 2507 tube 2.OD: 6-200mm, Length: less than 5000mm,Thickness:0.8-30mm 3.hastelloy Shanghai ZENT supply high temperature alloy centrifugal cast tubes in low price with high quality.Feature:1.duplex stainless steel S32750 2507 tube 2.Size: OD: 6-200mm, Length: less than 5000mm,Thickness:0.8-30mm3.Standard: ANSI ,ASME,ASTM4.Material: inconel ,S32750,S32760,S31803,904L, ...