... B1503/B2220, DIN 2573 Supply API5L ERW Wteel Pipe And ElbowSpecification TypeCarbon steel Elbow Pipe Size1/2"—72" Wall ThicknessSCH10,SCH20,SCH30,STD ... pressure fluid pipeline,boiler, petroleum and natural gas industry,drilling,chemical industry,electric industry,shipbuilding,fertilizer equipment and pipeline,structure,petrochemical,pharmaceutical industrySurface ...