Hardware common sense flange model and material st

Flange model: products include flat welding flange, butt welding flange, concave convex flange, neck flange and flange cover. National standard, ordinary flange, galvanized threaded flange, butterfly valve flange, slotted flange, pipe pile end plate, cast forged flange

flange model: products include flat welding flange, butt welding flange, concave convex flange, neck flange and flange cover. National standard, ordinary flange, galvanized threaded flange, butterfly valve flange, slotted flange, pipe pile end plate, cast forged flange

flange material: stainless steel flange (304304l316316l), alloy steel flange, carbon steel flange, 20 steel q234q345, etc

flange standard: national standard flange, American standard flange, British standard flange and various non-standard flange, high-pressure flange and stamping flange. The standards of the Ministry of electric power gd0506~0507, the corresponding standards of flanges and tube plates for pressure vessels: jb/t4700-4707-2000, the national standards (gb/t9112-2000), the standards of the Ministry of machinery (jb81-59, jb/t74-94), the standards of the Ministry of petrochemical industry (sh3406-96), the standards of the Ministry of chemical industry (hg5010-58, hg20592-97), etc. The material of forged steel flange for export shall comply with ASTM of the United States A105 standard

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