Iron Pipe Nipple factory
Malleable iron pipe nipples with female thread ,the head is Hexagonal,the surface finishing could be black and Galvanized,Tensile Strength over 330 Mpa,the hardness below 150,Dimension 1/8”-6”.Each fitting when tested by the application of an international pneumatic pressure of not less than 6 Bar whilst the fitting is completely immersed in water ,no sign of leakage showed.