... STANDARD: ASTM, JIS,DIN. Stainless Steel Flanges Material:Stainless steel(304,304L,316,316L,317L,321,321H,310S,347H,S1803,904L)Stainless Steel FlangesFeatures:1)Type:Plate Flange ... SP-43 , DIN 2615,JIS B2313 , GB/T12459,GB/T13401,SH3408, SH3409,HG/T21635 ,HG/T216313)Material:Stainless steel(304,304L,316,316L ...