carbon steel elbow 1.MOQ:1 PC 2.material:ASTM A234WPB ... alloy steelTechniquewelded and hot-expandedConnectionweldingHead codebevel the endSize1/2 to 80-inch/DN15-DN2000Angles30, 45, 60, 90 ... DIN,JIS,BS,GBwe can also produce according to drawingSpecification standardsANSI B16.9, ANSI B16.28, ... DIN 2605, 2615, 2616, and 2617Min Order QuantityAccording to customer's requirementTypes45 and 90° LR/SR elbows, ...