Jiahe Seiko Forging & Casting Co.,Ltd is one of the leading China sae butt welding flange manufacturers,Website:http://www.jiaheseiko.com, equipped with a productive factory, welcome to wholesale cheap butt welded flange, sae welding neck flange from us. Properties Pressure series 3000 psi /6000psi Standard SAE J518, ISO 6162-1 /-2 Construction straight Material Carbon steel: 45# 20#   Stainless steel: 1.4571 1.4301 1.4306 1.4404 1.4435;ASME/ASTM:A182-      F304/F304H/F304L/F316/F316H/F316L/F316TI/F317L/F321/F321H/F347/F347H Design Butt welding flange Mounting Screw bore hole Included in scope of supply flange only Surface Rust-proof oil, Yellow or white Galvanized  MAX working pressure 35-400 kg/cm3 Package Wooden case,Cartons, Pallets or crates according to buyer's requirements. Applications Water works,shipbuilding industry, petrochemical&gas industry, power industry,valve industry,general pipe NoteThe stated maximum working pressure relates to the flange. The actual working pressure is determined by the pipe (wall thickness) and the quality of the pipe.Recommended screws are listed in the columns M (metr) and M (unc).Item