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APT-420
●High Hardness and Strength​
●Excellent Wear Resistance​
●Outstanding Corrosion Resistance​
●Good Machinability in Cutting​
●Heat Treatment Strengthening Applicable​
●Magnetism

420 Stainless Steel for 3D Printing

AptPrototype provides premium-quality 420 stainless steel powder, engineered for high-performance 3D printing applications. Known for its excellent hardness and wear resistance, 420 stainless steel is widely used in industries such as tooling, automotive, and industrial machinery. This material is ideal for producing components that require exceptional durability and mechanical strength.

  • Powder Grade 420
  • Particle Size Distribution 0-20 μm, 15-53 μm, 53-105 μm, 75-180 μm
  • Flowability (S) S22s
  • Bulk Density (g/cm³) ≥3.8 g/cm³
  • Sphericity ≥0.9
  • Oxygen Content (ppm) ≤300 ppm

Mechanical Properties (After Annealing)

Property

Value

Hardness

50-58 HRC

Wear Resistance

Excellent, suitable for high-load applications.

Material Advantages

Applications and Use Cases

Industry

Application

Tooling

Cutting tools, molds, and dies.

Automotive

High-strength parts such as gears and shafts.

Industrial Machinery

Wear-resistant components for heavy-duty machinery.

Aerospace

Functional prototypes requiring strength and impact resistance.

Additional Information

Surface Treatments
To enhance the performance of 420 stainless steel parts, AptPrototype offers various surface treatment options:
- Polishing and grinding
- Nitriding and PVD coating for increased wear resistance
- Heat treatment to optimize hardness and durability

Technical Notes
- Compatible with SLM, DMLS, and other metal 3D printing technologies.
- Particle size distributions ensure versatility for different printer specifications.
- Custom powder grades and sizes are available upon request.

FAQ

  • 1. What are the primary applications of 420 stainless steel in 3D printing?

  • 2. What are the available particle size ranges?

  • 3. What is the minimum sphericity of the powder?

Get Started with AptPrototype

Discover the potential of 420 stainless steel for your 3D printing projects. 
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