... S1803,904L) 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 ... /T13401,SH3408, SH3409,HG/T21635 ,HG/T216313)Material:Stainless steel(304,304L,316,316L,317L,321,321H,310S,347H,S1803 ...