Forged flanges G Sun offer a complete line of forged flanges / casting flange -- SLIP ON ( S/O ) flange, SCREWED flange, WELDING NECK flange, BLAND flange and special flange. Size : 1/2"~24" Grade : S.S. 304,316L " ANSI FORGED / CASTING FLANGES B16.5 -150LBS, 300LBS " DIN FORGED / CASTING FLANGES PN6, PN10, PN16 JIS FORGED / CASTING FLANGS : JIS 5K, 10K, 16K Type standards : ANSI, DIN, JIS