stainless steel 316l tee size:1/2"-80" material:stainless steel certificate:ISO9001 and bv stainless steel 316l tee Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459 ... 201,etc.Carton Steel ST35, RST37, S235JR, Q235, SS400Sizes1/2" to 60" (DN8 to DN1500)Pressure Class150LB, 300LB, 400LB ... Flange,Thread Flange,Screwed Flange,Lap Joint Stainless Steel Reducer StandardDIN 2527,2573,2576,2642,2633, ...