... degree stainless steel elbow size:1/2"-80" material:stainless steel certificate:ISO9001 and bv 22.5 degree stainless steel elbow Stainless Steel ElbowStandardASME ... , reducer, cross, pipe holder, manhole cover, stub,clamp,union ,valve etc Stainless Steel Flange StandardsASTMA182,ANSI B16.9 ... Flange,Thread Flange,Screwed Flange,Lap Joint Stainless Steel Reducer StandardDIN 2527,2573,2576,2642,2633, ...