... Steel Flanges Material:Stainless steel(304,304L,316,316L,317L,321,321H,310S,347H,S1803,904L) Stainless Steel FlangesFeatures:1)Type ... ,HG/T216313)Material:Stainless steel(304,304L,316,316L,317L,321,321H,310S,347H,S1803,904L)4Appactions range:Petroleum,smelting,foodstuff ...