OD: From 1/8"-14" THK: From SCH10s-SCH160s. GUOBANG STEEL have Pipe and Pipe Fittings process workshop,ISO9001:2008,PED97 ... reduce the wall thicknes)Size:Seamless Fittings 1/2”-20” (DN15-DN500), Welded Fittings 1/2”-48” (DN15-DN1200)Standard ... 904L,S31803,S32750 etc.DIN:1.4301,1.4306,1.4401,1.4435,1.4571,1.4436,1.4438,1.4541 etc.JIS:SUS304, ... for packing. 904L/UNS N08904/W.Nr1.4539/SS2562 pipe fittings