Material: carbon steel, alloy steel and stainless steel. Type: flat, slip on, blind, welding neck, threaded, lapped, orifice, Figure 8 blind, swivel and etc, we can produce as per buyer¡¡¥s special Requirements. Size: 1/2" - 144" dn10-dn3600, 1/2" - 144", dn10-dn3600 material: carbon steel standard: ansi, ansi, en, din, sabs1123, jis, uni, gost ect. Place of origin: jiangsu, china (mainland) model number: flange brand name: flange manufacturer standard or nonstandard: standard certificate: iso9001, iso14001, ohsas18001, ped, cpd ect. Type: various flanges