What’s the difference between Cold Rolled (CF) and Hot Rolled (HR)?
Cold Finished vs Hot Rolled Steel
| Feature | Cold Finished (CF) | Hot Rolled (HR) |
|---|---|---|
| Surface Finish | Smooth, clean, bright finish | Rough surface with mill scale |
| Dimensional Accuracy | Tighter tolerances | Looser tolerances |
| Straightness | More straight and consistent | May have slight bends or variation |
| Machinability | Better for precision machining | Less consistent for machining |
| Strength | Slightly higher strength due to cold working | Standard structural strength |
| Cost | Higher cost | More economical |
| Best Use | Precision parts, shafts, machining | Structural work, welding, general fabrication |
| Common Products | Round bar, square bar, shafts | Plate, sheet, structural shapes, tube |
Cold finished steel is processed after hot rolling to improve surface finish, tolerance, and strength. Hot rolled steel is formed at high temperatures and is best suited for structural and general fabrication applications.
Not sure which to choose? Use Cold Finished for machining and precision work. Use Hot Rolled for welding, fabrication, and structural applications.