Cast iron

Brittle, high-carbon iron from engine blocks and machinery. Foundries use it to make new castings.

Trade name: Machinery & mixed cast ยท HSN 7204

Used by: Foundries and casting units

What to check before you buy

Confirm the type, such as machinery or mixed cast, and check for attached steel, oil and non-iron fittings. Foundries usually care about piece size and composition.