Stainless Steel 3d Printing
Shenzhen JR Technology Co., Ltd. is one of the leading manufacturers and suppliers of stainless steel 3d printing in China, featured by quality products and good price. If you're going to buy advanced stainless steel 3d printing made in China, welcome to get quotation from our factory. Customized orders are welcome.
Core Advantages of Our High-Precision Metal 3D Printing
Exceptional Accuracy: Achieve tolerances of ±0.1mm (or better with post-machining) for intricate features and tight fits in high-precision metal 3D printing.
No Minimum Order Quantity: Ideal for rapid prototyping stainless steel or small-batch custom runs - from 1 to hundreds of parts.
Complex Geometries & Lightweighting: Print internal channels, lattices, and topology-optimized designs impossible with subtractive methods.
Strong Mechanical Properties: Full-density parts with excellent strength, often matching or exceeding wrought material performance after heat treatment.
Material Versatility & Corrosion Resistance: Multiple stainless steel grades tailored to your environment and requirements.
Rapid Turnaround: Fast lead time metal printing with streamlined processes from DFM to shipping.
Materials Comparison
We primarily offer 316L, 304, 17-4PH, and 15-5PH stainless steels via SLM/DMLS. Here is a performance overview ：
|
Material |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
Corrosion Resistance |
Best Applications |
|
316L |
550–600 |
380–480 |
40–75 |
Excellent (chlorides, marine, acids) |
Medical, chemical processing, marine, food equipment |
|
304 |
500–550 |
170–310 |
40–50 |
Good (general environments) |
General fabrication, consumer goods, architectural |
|
17-4PH |
1000–1380 (heat treated) |
850–1240 |
10–20 |
Good |
Aerospace, high-strength tooling, automotive, medical instruments |
|
15-5PH |
~1000–1100 (heat treated) |
~860–1050 |
10–20 |
Good |
High-load aerospace, petrochemical, structural components |
316L stainless steel printing excels in biocompatibility and corrosion resistance. 17-4PH metal 3D printing delivers superior strength for load-bearing parts.
Post-Processing Options for Professional Surface Finish
We provide comprehensive post-processing to meet functional and aesthetic requirements:
Media Blasting / Sandblasting: Uniform matte finish, removes support marks, and improves appearance.
Polishing / Mechanical Finishing: Smoother surfaces for reduced roughness.
Heat Treatment: Stress relief, precipitation hardening (e.g., H900 for 17-4PH), or HIP to enhance mechanical properties and density.
Electropolishing / Electrochemical Polishing: Superior corrosion resistance, ultra-smooth Ra values, and clean medical-grade finishes.
PVD Coating: Decorative or functional thin-film coatings for wear resistance or color.
These options support metal 3D printing surface finish needs from industrial to medical-grade.
Custom Metal 3D Printing Service & Design Support
Our on-demand stainless steel parts service includes full DFM (Design for Manufacturability) review. Upload STEP, STL, or IGES files. We provide expert feedback on:
Recommended minimum wall thickness: 0.5–1.5 mm (depending on grade and geometry; 1–2 mm recommended for structural integrity).
Overhangs, supports, and powder evacuation.
Tolerances and critical features.
We support everything from one-off prototypes to production runs with consistent quality.
Application Scenarios
Our stainless steel 3D printed parts serve diverse industrie：
Aerospace
Lightweight brackets, fuel nozzles, and ducting with aerospace 3D printed parts that reduce weight while maintaining strength.
Medical Devices
Surgical instruments, implants, and fixtures using medical grade stainless steel printing (especially 316L).
Automotive
Custom brackets, calipers, heat exchangers, and performance components.
Industrial Equipment
Valves, pump housings, gears, and tooling with complex internal features.
Chemical Processing
Corrosion-resistant vessels, mixers, and fittings.
Consumer Products
High-end jewelry, kitchen tools, and architectural elements.
Defense & Energy
Durable, high-performance structural parts.
Robotics & Automation
Lightweight end-effectors and custom fixtures.
Production & Lead Time
Our streamlined process ensures reliability:
Order & DFM Review (1–2 days)
Printing (SLM/DMLS) (2–5 days)
Heat Treatment & Post-Processing (1–3 days)
Quality Inspection (1 day)
Packaging & Shipping (1–3 days)
Typical fast lead time metal printing: 3–5 day turnaround for many smaller projects, up to 7–14 days for complex or larger runs.
FAQ
Q: What is the difference between SLM and DMLS?
A: Both are laser powder bed fusion processes that fully melt metal powder. The terms are often used interchangeably; differences are largely historical or branding-related. They produce dense, high-performance parts.
Q: Can stainless steel 3D printed parts be welded?
A: Yes, especially 316L. Post-weld heat treatment may be recommended depending on the alloy and application.
Q: What surface finish options are available?
A: Media blasting, polishing, electropolishing, machining, and PVD coatings. We tailor finishes to your Ra requirements.
Q: What file format should I upload?
A: STEP is preferred for accuracy, but we also accept STL and IGES.
Q: What is the minimum order quantity?
A: None - we support single prototypes to production volumes.
Q: What is the typical accuracy?
A: ±0.1mm standard, with tighter tolerances possible via post-machining.
Q: Are the parts fully dense?
A: Yes, typically >99% density after proper processing.
Q: Do you offer heat treatment?
A: Yes, including stress relief and age hardening for precipitation-hardening grades like 17-4PH.
Q: How strong are 3D printed stainless steel parts?
A: Comparable to or better than traditional methods in many cases, especially with optimized designs and heat treatment.
Q: What industries do you serve?
A: Aerospace, medical, automotive, industrial, defense, and more.
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