CNC Machining
S45C
Low thermal conductivity forged carbon steel, tensile strength up to 630MPa.
Key Advantages
- High Tensile Strength
- Low Ductility
Specifications
Lead Time
Standard (2-5 Days)
Thermal Conductivity
50 W/m·K
Thermal Expansion
11.5 µm/m·°C
Corrosion Resistance
Poor
Specific Heat
N/A
Yield Strength
N/A
Tensile Strength
N/A
Density
N/A
Machinability
N/A
Application Notes
This material is widely used in high-precision metal 3D printing and CNC machining projects. Its unique combination of properties makes it ideal for complex geometries and functional prototyping.
For specific tolerance requirements or surface finishing options, please refer to our Metal 3D Printing (SLM) Design for Manufacturing (DFM) guide.

Typical Material Application
