Iron alloyed primarily with carbon — stronger than aluminum and cheaper than stainless, usually paired with a protective finish.
Iron alloyed primarily with carbon rather than chromium — stronger than aluminum, cheaper than stainless, without stainless's corrosion resistance.
Good structural strength and weldability. Will rust if left unprotected, so it's usually paired with a finish (black oxide, powder coating, plating) unless staying indoors and dry.
Structural parts that need real strength on a budget, and either won't face moisture or will get a protective finish anyway.
Structural brackets, fixtures, general machinery components, parts that'll be painted or coated after machining.
Machines predictably and is widely available in many grades — straightforward material to work with compared to stainless or titanium.
| Density | 7.85 g/cm3 |
| Typical Hardness | Rockwell B70-B90 (typical, untreated) |
| Typical Strength | 30,000-55,000 PSI yield (grade dependent) |
| Lead Time | Confirmed per RFQ |
| Finishing | Powder Coating, Bead Blasting, Polishing, Plating: Nickel, Plating: Zinc, Plating: Chrome, Plating: Electroless Nickel |
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