Stainless Steel 3d printing

✓ On-demand production, MOQ=1pcs

✓ Advanced Capabilities for Intricate & Custom Geometries.

✓ 24/7 Production Monitoring & Service Access.

Why 3D Printing Stainless Steel Excels in Selective

Laser Melting

Unmatched precision for complex geometries (thin walls, internal channels, lattice structures).

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Stainless Steel Powders for Precision SLM 3D Printing

APTPROTOTYPE delivers high-performance stainless steel powders engineered for critical industrial applications. Our materials portfolio includes 316L (corrosion resistance), 420 (high hardness), and 17-4PH (strength-durability balance) – each optimized for SLM/DMLS processes to meet demanding aerospace, medical, and industrial requirements.

Technical Specifications

Parameter 316L42017-4PH
Particle Size (μm) 15-53 (SLM optimized)15-53 (SLM optimized)15-53 (SLM optimized)
Flowability (ASTM B213) 22 s/50g24 s/50g20 s/50g
Apparent Density (g/cm³) 4.24.04.3
Sphericity ≥0.92≥0.90≥0.93
Oxygen Content (ppm) ≤200≤300≤250

Stainless Steel 3D print Adv

Material Grade	Key Advantages	Target Industries
316L Stainless Steel	Superior corrosion resistance, biocompatibility	Medical implants, marine hardware, chemical processing
420 Stainless Steel	Extreme hardness (50-55 HRC), wear resistance	Cutting tools, injection molds, automotive components
17-4PH Stainless	High strength (1200+ MPa UTS), precipitation hardening	Aerospace brackets, oil/gas valves, defense systems

Why Choose APTPROTOTYPE’s Stainless Steel Powders?

SLM Process-Ready

Gas-atomized powders with <0.3% satellite particles

Pre-sieved and vacuum-dried for print reliability

Industry-Proven Performance

316L: Passes ASTM F138/F139 medical certifications

420: Achieves 98%+ density after HIP treatment

17-4PH: Delivers H900 condition hardness (45 HRC) post-heat treatment

Full Technical Support

Material-specific SLM parameter sets (laser power, scan speed)

DFAM guidance for multi-material hybrid designs

Applications Spotlight

• Medical: 316L surgical tools with Ra ≤5μm surface finish

• Tooling: 420 steel inserts with conformal cooling channels

• Aerospace: 17-4PH flight-ready parts meeting AMS 5643

Our cases of SLM stainless 3D print parts

Value-Added for Stainless Steel 3D Printing Service at Aptprototype

To enhance the performance of 3D printed stainless steel parts, AptPrototype offers various additional services:

- Polishing and grinding.

- Sandblasting.

- Nitriding and PVD coating for increased wear resistance.

- Heat treatment to optimize hardness and durability.

FAQ

- Cost Breakdown and Cost-Saving Strategies for Stainless Steel 3D Printing.

Total Cost of Stainless Steel 3D Printing = Material Costs + Printing Service Fees + Post-Processing Fees + Additional Fees

AptPrototype’s Powder Solution: Locally produced powders priced 30-50% lower than imported alternatives.

Maximum Build Size (L×W×H)	Compatible Stainless Steel Materials	Typical Applications
300 × 300 × 400 mm	316L, 17-4PH	Precision medical implants, small aerospace components
310 × 310 × 400 mm	316L, 304L	Industrial molds, automotive functional parts
600 × 600 × 600 mm	17-4PH, Martensitic Steels	Large aerospace structural components, energy equipment
800 × 800 × 600 mm	316L, Custom alloys	Oversized marine components, architectural structural units

What is the minimum sphericity of the powder?

The powder sphericity is ≥0.9, ensuring optimal flowability and layer quality.

our vision and mission

With 20 years of growth and innovation, we are committed to providing the best digital manufacturing experience in the industry.

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