... :ASME,ASTM,DIN,JIS,EN,MSS,NACE 3.ISO9000-2000 90 degree elbow Size:from 1/2" to 72" Angles:45 Deg ... , 90 Deg, 180 DegThickness:SCH20, SCH30, SCH40, STD, SCH80, SCH100. SCH120, ... , CE,Packing:wooden cases & palletsSpecial design available as the requirements of customer