Flange models: products are flat welding flange, butt welding flange, concave and convex flange, necked flange, flange cover. National standard, common flange, galvanized fillet flange, butterfly valve flange, slotted flange, pipe pile end plate, cast and forged flange


Flange material: stainless steel flange (304 304l 316 316l) alloy steel flange carbon steel flange 20 steel q234 q345, etc.

Flange standards: the national standard flange American Standard flange British Standard flange and a variety of non-standard flange high-pressure flange stamping flange. Ministry of Electric Power standards gd0506 ~ 0507 pressure vessel supporting flange, pipe plate corresponding standards: jb/t4700 ~ 4707-2000 implementation of national standards (gb/t9112-2000), the Ministry of Machinery standards (jb81-59, jb/t74-94), the Ministry of Petrochemical standards (sh3406-96), the Ministry of Chemical Industry standards (hg5010-58) hg20592-97), etc. The material of export forged steel flange conforms to the American astm.a105 standard.