... :Stainless Steel Size:1/2"-36" ISO qualification stainless steel socket weld flange Information: 1. Size: 1/2" - 36"(DN15 -900 ... .5. Type: Slip-On, we also provide Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc.6. Seal face ... : RF ,FM, MFM,TG,FF,RJ .7. Surface treatment: Transparent oil, rust-proof oil, hot galvanizing;8. Packing ...