... size:1/2"-80" material:stainless steel certificate:ISO9001 and bv stainless steel 316l tee Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459,EN ... pipe holder, manhole cover, stub,clamp,union ,valve etc Stainless Steel Flange StandardsASTMA182,ANSI B16.9, ANSI B16.28, EN10253 ... Welding Flange,Thread Flange,Screwed Flange,Lap Joint Stainless Steel Reducer StandardDIN 2527,2573,2576,2642,2633,JIS ...