... 904L) Stainless Steel FlangesFeatures:1)Type:Plate Flange,Flat Flange,Slip-on Flange,Welding Neck Flange,Long Welding Neck Flange,Blind Flange,Stocket Welding,Thread Flange,Screwed Flange ... ,Lap Joint Flange ... 321H,310S,347H,S1803,904L)4Appactions range:Petroleum, ...