... tee size:1/2"-80" material:stainless steel certificate:ISO9001 and bv stainless steel 316l tee Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459, ... 316, 316L, 317, 317L, 321, 201,etc.Carton Steel ST35, RST37, S235JR, Q235, SS400Sizes1/2" to 60" (DN8 to DN1500)Pressure ... Welding Flange,Thread Flange,Screwed Flange,Lap Joint Stainless Steel Reducer StandardDIN 2527,2573,2576,2642,2633,JIS B2311, ...