How to distinguish the pig iron
Iron carbon containing low, thin and slightly shiny. It is not easy to cut. It is usually cut by wind, and it is malleable and can be made into various shapes. Striking sound.
Pig iron is very brittle, easy to break, beat, no echo, cross section is white. Wrought iron is refined better toughness.
Hello, Pig iron surface is relatively rough, cutting can see particles of strong, used for casting, containing carbon, high hardness, poor ductility. The beat was muffled!
