How to Differentiate Among Cast Iron and Mild Steel?

[Odomabc]

Thanx for sharing those additional methods! Another factor to consider is the color and appearance of the fracture surface. Cast iron generally fractures along a grayish-black line with a stony texture, while mild steel fractures show a more fibrous appearance with a shiny surface area. Observing these fracture surfaces can provide farther clues to help distinguish between the two materials.