ANSI/ASME B16.5 steel flanges Method: by forging, Pressure: 150Lbs - 2500Lbs, Size: 1/2"- 24", DN15-600, DN650-DN2000. Tyep: Plate/SO, WN, Blind, LJ, SW, Threaded, special mode. Material: Carbon steel: A105, SS400, ST37.2, S235JR, Q235, P250GH Stainless steel: A182, 304, 316, 316L etc Marking: Require Packing: Wooden Pallets Painting: Rust-preventative oil painting or black/yellow/varnish paint or Galvanizing Quality control: Internal/ ISO9001, KS, etc Inspection: Internal / Third party Certificate: Material certificate, Physico-chemical analysis certificate etc