forged carbon steel blind flange: OEM service offered ISO9001authentication, 15 years ... pr 1) ANSI/ASME B16.5 Steel flange,Blind flange,carbon steel flange2) Method:free forging,die ... "-72"4) Type:Plate,Slip on,Weld Neck,Blind,Lap Joint,Socket Weld,Threaded,5) Material: Carbon ... 316L6) Marking: depends on your require7) Packing:plywood/wood pallet8) Painting:depends on your require Rust-preventataive ...