... .material:ASTM A234WPB 3.good quality and reasonable price 90 degree tube elbow Materialcarbon steel, stainless steel, alloy ... 2616, and 2617Min Order QuantityAccording to customer's requirementTypes45 and 90° LR/SR elbows, 180° returns, straight, reducing tees, ... API5L,DIN,JIS,BS,GBSurface treatmentblack paint, varnish, rust-proof oil, and hot-dipped galvanizedRange Of ApplicationChemical industry, ...