Specifications 1) Stainless Steel Forged Flange 2) Export Market: Asia.Middle East.North America.Europe 3) Certificate: API, CE, ISO. 4) Material: Carbon steel: ST37.2, RST37.2, S235JR, C22.8, P250GH, A105 Stainless steel: 304 316 5) Rust-Preventative oil painting 6) Quality control: 9001: 2000 7) Packing£ º seaworthy packing 8) Delivery: According to order quantity 9) Payment: T/ T, L/ C