How to Recycle Cast Iron
Cast iron cookware, pipe, radiators, and machinery parts. Heavy ferrous scrap, priced and processed alongside other steel.
Quick answer
Yes, cast iron (cookware, pipe, radiators, machinery) is heavy ferrous scrap and fully recyclable. It's too heavy and bulky for curbside bins, so take it to a scrap-metal yard - even rusty cast iron is accepted, since rust affects weight, not recyclability. It prices close to other heavy steel scrap, around $0.08/lb as of August 2026, and some yards set a minimum load size.
- Recyclable
- Yes
- Recycling code
- CAST
- Typical value
- Cast iron prices close to other heavy ferrous scrap: roughly $0.08/lb, or about $175 per gross ton (August 2026 boards). Some yards set a minimum weight for cast iron specifically - Rockaway Recycling, for example, requires 500 lbs - so small amounts may need to go in with mixed or heavy steel instead.
- 1Remove any non-metal attachments
- 2Clean off loose rust and debris
- 3Separate from steel and other metals if you're sorting by grade
- 4Break large pieces down if the yard requires it
- Scrap metal dealers
- Foundries
- Metal recycling facilities
Cast iron is 100% recyclable and gets remelted into new cast iron products or general steel.
Estimated value: Cast iron prices close to other heavy ferrous scrap: roughly $0.08/lb, or about $175 per gross ton (August 2026 boards). Some yards set a minimum weight for cast iron specifically - Rockaway Recycling, for example, requires 500 lbs - so small amounts may need to go in with mixed or heavy steel instead.
Is rusty cast iron worth less?
Rust doesn't create a separate pricing tier the way clean versus dirty copper does - cast iron is priced by weight as ferrous scrap either way. Heavily rusted, flaking pieces weigh a little less than solid iron of the same size, but there's no per-pound penalty for surface rust.
Can I put cast iron in curbside recycling?
No. Curbside bins are for cans and packaging. Cast iron cookware, pipe, and radiators need to go to a scrap-metal yard or a municipal bulky-metal drop-off.
Is there a minimum amount yards will take?
Some yards set one. Rockaway Recycling, for example, requires a 500 lb minimum for cast iron specifically. If you only have a pan or two, ask whether they'll weigh it in with mixed or heavy steel instead of turning you away.
Recycling centers that accept Cast Iron
RecycleFind lists recycling centers that accept cast iron. Open a listing for hours, contact info, and directions.