There are differences between iron and wrought iron material? What's the difference? Inside the material?
If in the grinder grinding, see iron spark from a judge or iron wrought iron, but this is only to do in the factory.
If you have a file in the hand, can be used to file to see finish can also make a judgment from the file down the iron can also be seen, but this is beyond your request, it can be done in the factory.
Listen: Pig beating sound boring, wrought iron beating sound loud.
See: pig iron fracture is rough, showing a bead (for the sake of coarse grain iron), and wrought iron fracture is generally more smooth; if this is a new fracture, but also to see the dark and shiny born iron wrought iron lighter; iron fracture is generally irregular, because iron is crisp. Most of them are interrupted, (which is processed, it is very flat and wrought iron) must not be interrupted, mostly by certain way processed separately, so the fracture is generally neat fracture; if it is cutting, that is wrought iron, iron is not cutting the surface must be iron; iron does not have stomatal pores, familiar; if a piece of iron is a significant deformation (bending) that is wrought iron because of poor plasticity, not so true to the bending deformation, Either it breaks or has a distinct crack, and it doesn't bend very much. There are some details that can not be made clear. It is necessary to have some experience.
