1.Stainless Steel Duct Flanges 2.Size:1/2" - 160" 3.Blind, Weld Neck,Slip On,Threaded 4.Socket Welding,Lap Joint stainless steel duct flange 1. Standard:(forged flange): ANSI/JIS/BS/DIN/UNI 2. Type: Blind, Weld Neck, Slip On, Threaded, Socket Welding,Lap Joint 3. Size: 1/2" - 120"4. Material: F304 F304L F316 F316L 316Ti 5. Packing: Plywood Pallet or Case or as per customers' requirements ...