stainless steel forged W/N flangesize:1/2"-48" Material: A105 A304 A304L DIN JIS ANSI stainless steel forged W/N flange1). Type: WN ... Flange, SO Flange, RTJ Flange, BL Flange, LJ Flange, SW Flange, Thread Flange 2). Diameter range: 1 ... .5, ASME B16.36, S07005-I, HG20615~HG20622, BS1560-3.1, NF E29-203, JPI 7S-15, GB9112~9124, SH3406 Material ...