1.Size:DN10--DN800 2.Standard:ANSI GB JIS DIN 3.Material:317L,316L,304H/L,321,310S,347H,904L,321/321H,Duplex2205 Butt welded flangeFeatures: 1.Size:1/2"-80".2.Material: 317L,316L,304H/L,321,310S,347H,904L,321/321H,Duplex2205.3.Standard: GB9112-9131,SH3406,ANSI B16.45,DIN2576 27 66,DIN2632-2638.4.Packing: Wooden Cases or wooden pallet or as per customers requirement forged flange