... according to the ASNE,ASTM,JIS,DIN standards. S/R 90 ElbowWe specialize in the carbon steel ... fittings, like 45deg,90deg,180deg,L/R or S/R bend, equalor reducing tee, CON reducer, ... steel,we can produce according to material appointed by consumers.StandardANSI,ASME,API5L,DIN,JIS,BS,GBWe ... can also produce according to the drawing by customerWall ThicknessSCH20, SCH30,STD,SCH80,SCH100,SCH120,SCH160 ...