Malleable Iron gi elbow connector 1)Size:1/4-6" ... ,GB 4)Hot dipped,electric gal,black The Malleable iron gi elbow connector is of good qualilty with reasonable ... air, gas, and other liquid alike 2.Material: Malleable iron 3.Thread standards:GB,BS,DIN,KS4.Wall thickness:5 ... caps,bends,cross over,bushing,dripping,union,flange,cross, back nuts,etc 2)Material Properties: Tensile Strength ≥ 350N/mm2 Hardness ...