... ASTM A234WPB 3.good quality and reasonable price ANSI B16.9 90 degree elbow Materialcarbon steel, stainless steel, alloy ... ,BS,GBwe can also produce according to drawingSpecification standardsANSI B16.9, ANSI B16.28, JIS B2311, DIN 2605, 2615, ... 2617Min Order QuantityAccording to customer's requirementTypes45 and 90° LR/SR elbows, 180° returns, straight, reducing tees, caps, concentric ...