What is 38CrMoAl Steel?
38CrMoAl steel is an alloy steel with nitriding steel. This comprehensive guide covers chemical composition, mechanical properties, and machining characteristics per GB/T standards.
Chemical Composition
| Element | Content (%) | Standard |
|---|---|---|
| C | 0.35-0.43 | GB/T |
| Cr | 1.35-1.65 | GB/T |
| Mo | 0.15-0.25 | GB/T |
| Al | 0.70-1.10 | GB/T |
Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥980 MPa | GB/T |
| Yield Strength | ≥835 MPa | GB/T |
| Elongation | ≥12% | GB/T |
| Hardness | 260 HV | HV |
| Density | 7.85 g/cm³ | 20°C |
Key Features
- High strength and toughness
- Good hardenability
- Suitable for heat treatment
- Good machinability in annealed condition
- Widely used in automotive and machinery
Applications
- Gear and shaft components
- Automotive parts
- Machine tool components
- High-strength structural parts
Machinability
38CrMoAl steel has good machinability. Recommended: Carbide tools, cutting speed 80-150 m/min, feed 0.15-0.30 mm/rev.
Why Choose Us?
We specialize in precision alloy steel machining. Contact us for a quote!
Turn this machining question into a manufacturable part
Need this material or process for your next CNC project?
Send your STEP, STP, IGES, DXF, PDF, material, quantity, surface finish, and tolerance requirements. We will review manufacturability and reply with practical quotation guidance.
