high pressure flange,butt welding neck flange 1) Specification: DN15-DN2000 2) Size: 1/2 - 36" 3) Standard: ASME, ANSI, JIS, BS, and DIN 4) Material: stainless steel such as 304/304L/316/316L/316Ti/321; 1.4301/1.4307/1.4401/1.4404/1.4541/1.4571 super duplex stainless steel such as ASTM A182 F51/F53 5) Can produce according to customers' demands
