malleable iron pipe fitting in china

 malleable iron pipe fitting mechanical properties are higher than that of gray cast iron, its ductility and toughness are good, but malleable cast iron cannot be forged. The malleable cast iron has different matrix structure and its properties.Malleable iron pipe fittings are malleable cast iron commonly known as Magnesium Steel, cast into white cast iron pieces, and then forgeable and annealed. The graphite in malleable cast iron is a flocculent, which has little effect on the separation of the matrix. It is not the same, of which the black heart malleable cast iron has high plasticity and toughness, and the pearlite malleable cast iron has high strength, hardness and wear resistance. Malleable iron pipe fittings are suitable for petroleum, chemical, power, construction, water treatment and other fields.
Specifications
Beaded malleable iron pipe fittings with ribs
Specifications:
1) British standard: BS EN 10242, ISO49, ISO5922, ISO7/1
2) Hot dipped galvanized using the first class zinc; normal black or
shining black
3) Size: 1/8 to 4"
4) Excellent material, precise angles, good antirust property
5) Every piece must pass leakage-testing