Carbon Steel 1018
Carbon Steel 1018 is a low-carbon steel with excellent machinability and weldability. It is one of the most commonly used steels for general-purpose CNC machining, offering good surface finish and easy case hardening.
Machinability
78/100
Tolerance
±0.02 mm
Category
Carbon & Alloy Steel
Material Properties
| Property | Value |
|---|---|
| Tensile Strength | 440 MPa (64 ksi) |
| Yield Strength | 370 MPa (54 ksi) |
| Hardness | 126 HB |
| Density | 7.87 g/cm³ |
| Machinability Rating | 78/100 |
| Thermal Conductivity | 51.9 W/m·K |
| Melting Point | 1,480–1,526 °C |
| Tolerance | ±0.02 mm |
Common Grades
1018 Cold Rolled1018 Hot Rolled
Advantages
- Excellent machinability
- Weldable
- Case-hardenable
- Low cost
- Good surface finish
Limitations
- Low strength
- Poor corrosion resistance
- Requires surface treatment
Common Applications
Pins
Shafts
Spindles
Rods
Fixtures
Spacers
Industries Served
Industrial MachineryAutomotiveConstructionConsumer Products
Available Surface Finishes
Black OxideZinc PlatingNickel PlatingPowder CoatPaint