stainless steel pipes fittings size:1/2"-80" material:stainless steel certificate:ISO9001 and bv stainless steel pipes fittings Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459,EN, ... Welding Flange,Thread Flange,Screwed Flange,Lap Joint Stainless Steel Reducer StandardDIN 2527,2573,2576,2642,2633,JIS ... ''~48'')ThicknessSCH5~XXSOur company certificate:contact way: stainless steel pipes fittings