... ,DIN,KS,GB 4)Hot dipped,electric gal,black The Malleable iron gi elbow connector is of good qualilty with reasonable price.1. Usage: Pipelines ... , vapor, oil, air, gas, and other liquid alike 2.Material: Malleable iron 3.Thread standards:GB,BS,DIN,KS4.Wall thickness:5 ... .Type: Elbow7.Shape: Reducing8.Size:1/4-6''9.Range:Elbow,tee,sockets,nipple,plug,caps,bends,cross over,bushing,dripping ...