There are many kinds of materials for pipe fittings, such as stainless steel, cast steel, etc.
The black surface of black malleable cast iron pipe fittings is caused by the graphite in it. This surface color not only enhances its appearance texture, but also has good toughness and plasticity. Black malleable cast iron pipe fittings are widely used in various piping systems.
Pipe fittings China productions exports worldwide. As a market-oriented enterprise, we are committed to providing you with good black malleable cast iron pipe fittings.
