Metal Binder Jetting
— The Tooling-Free MIM Alternative
Produce metal parts at a fraction of MIM setup cost. No tooling. No minimum order. 8 materials, 8–10 L/h throughput. From single prototypes to 50,000+ units on the same platform. Upload your file — we will show you the savings vs. MIM.
BJ Metal vs. MIM vs. SLM — Which Process Fits Your Project?
If you are currently using MIM or considering SLM, here is why Binder Jetting is worth a look — especially for low-to-medium volumes or parts with frequent design changes.
Binder Jetting
This Service
- Tooling: None. Zero.
- Lead time: 10–15 days
- Cost at 1K units: Lowest
- Cost at 50K units: Competitive
- Design changes: Free — just update the CAD
- Part complexity: Unlimited
- Density: >97% after sintering
- Best for: 1–10K parts, complex shapes
MIM
Traditional Mass Production
- Tooling: $20K–100K+
- Lead time: 8–16 weeks (tooling)
- Cost at 1K units: Prohibitive
- Cost at 50K units: Lowest per part
- Design changes: New tooling = new cost
- Part complexity: Limited by mold
- Density: >98%
- Best for: >20K identical parts
SLM
Laser Melting
- Tooling: None
- Lead time: 5–10 days
- Cost at 1K units: Higher
- Cost at 50K units: Higher
- Design changes: Free — just update CAD
- Part complexity: Unlimited
- Density: >99.5% as-printed
- Best for: Aerospace, medical, critical parts
8 Metal Materials — Sintered to >97% Density
Each material has a dedicated binder formulation and validated sintering profile. Mechanical properties comparable to MIM after sintering. HIP available for critical applications.
SS 316L
Corrosion-resistant, >520 MPa tensile, >40% elongation. Medical, fluid handling, marine.
17-4PH SS
Precipitation hardening. >1,000 MPa after H900. Aerospace, structural, valve components.
Inconel 718
Nickel superalloy. 650°C service temperature. Turbine, exhaust, chemical processing.
Inconel 625
Oxidation/corrosion resistant. Marine, nuclear, chemical plant. Excellent weldability.
H13 Tool Steel
Hot-work steel. 50+ HRC after heat treat. Die casting, forging, extrusion tooling.
Copper Alloys
Thermal conductivity >350 W/mK. Heat exchangers, induction coils, EDM electrodes.
TC4 (Ti-6Al-4V)
Aerospace titanium. High strength-to-weight. Structural brackets, medical implants.
Tungsten Carbide
Wear-resistant. 85+ HRA. Cutting tools, wear parts, mining, oil & gas.
Why Engineers Choose 3DPTEK for BJ Metal
Stainless Steels (316L, 17-4PH, 304L), Nickel Alloys (IN718, IN625), Tool Steels (H13, M3/2). 5 binder series available — we match binder to your application, not the other way around.
J400P for pilot runs (3.6 L/h). J800P for production (8-10 L/h). Scale from 50 parts to 50,000 without changing process.
Use your own qualified powder or ours. No lock-in. Custom binder development available for proprietary alloys.
From CAD to sintered metal part in 10 business days. Production runs: 3-4 weeks. Faster than MIM tooling by 6-10 weeks.
Benchmark Parts at Cost — See Quality Before You Commit
Send us your file or choose from our benchmark library. We print and ship finished parts at cost, with a full inspection report.
316L Hollow Ring
SS316L | WU08 | Fully hollow openwork lattice with fine filigree details
Complex Geometry Part
SS316L | WU08 | Deep internal channels, thin walls, and tight clearances
Fine-Detail Component
SS316L | WU08 | Sub-millimeter features with crisp edges and smooth surfaces
Electronic Watch Case
SS316L | WU08 | Thin-walled body, precise cutouts, smooth finishWhere Metal Binder Jetting Wins
Real production scenarios where BJ metal delivers measurable advantages over MIM and SLM.
📱 3C Electronics — Mass Customization at Speed
Folding phone hinge covers, smartwatch cases, mobile phone frames. BJ achieves the surface quality and precision consumer electronics demand — without the 12-week MIM tooling wait. 3DPTEK supplies Apple and Samsung supply chains with BJ-produced structural frames. High integration reduces assembly steps.
🏭 MIM Factory Supplement — Prototype Without Tooling
MIM factories use our BJ service to bridge the gap: prototype new designs in 2 weeks instead of 12, validate with real metal parts before committing to $50K+ tooling. We also handle small-batch orders (<5K units) that do not justify MIM setup costs — same material properties, no compromise.
🔧 Conformal Cooling Molds — Cycle Time Down 25–40%
Injection mold inserts with printed conformal cooling channels — geometries impossible to drill or EDM. BJ in H13 tool steel, heat treated to 50+ HRC. Documented 25–40% cycle time reduction vs. conventionally cooled molds. Die-casting and press tooling applications as well.
🔪 Cutting Tools — Internal Coolant Channels
High-performance cutter bodies and shanks with embedded complex cooling circuits. BJ in powder high-speed steel and cemented carbide. Internal cooling improves cutting performance and extends tool life. Solid-phase sintering minimizes alloy segregation for optimal material properties.
🚗 Automotive — Bridge Production & Spares
Turbocharger components, sensor housings, bracket assemblies. BJ handles the critical gap between prototype (SLM — expensive) and mass production (MIM — slow to tool). Spare parts on demand without maintaining MIM tooling inventory.
⚙ Industrial Hardware — Complex Parts, Simple Process
Gears, sprockets, valve bodies with internal passages. Single BJ-printed part replaces multi-component welded assemblies. Stainless steel and tool steel. Medium volumes at competitive per-part cost with faster turnaround than casting + machining.
Our Binder Jetting Metal Equipment
3DPTEK's BJM (Binder Jetting Metal) R Series and P Series printers are designed and built in-house. Combined with our proprietary metal binders, sintering process expertise, and powder management — we deliver sintered parts at >97% density with consistent mechanical properties.
R Series — BJ Metal Printers
Production binder jetting. 316L, 17-4PH, tool steel. High-speed line-scanning. >97% sinter density.
P Series — Large-Format BJ Metal
Larger build volume. Higher throughput. Proprietary binder for clean burnout + minimal distortion.
Click any printer for full specs on our Metal 3D Printer equipment.
Certifications — Verified Quality Systems
All centers certified
Medical device quality system
EU and Eurasian market access
Equipment, materials, and process
Binder Jetting Metal at Production Scale — The 3DPTEK Advantage
We do not just print your parts — we design and build the printers, formulate the binders, and control the entire debinding and sintering chain in-house.
Technology & Equipment
- Self-designed BJ metal printers — J160R, J400P, J800P
- High-resolution printheads — 400dpi, 800dpi, 1200dpi options
- AFSWin3DP-L V1.0 proprietary control software
- 8 metal materials qualified: 316L, Ti, Cu, tool steel, tungsten, superalloys
- In-house debinding and sintering — full process under one roof
Production Capacity & Quality
- 8–10 L/h throughput on J800P — 50,000+ parts/month
- 10 Smart Manufacturing Centers — production and R&D combined
- 50+ metal AM machines across all centers
- Full inspection lab: CMM, X-ray CT, OES spectrometer, tensile tester
- ISO 9001 + ISO 13485 certified quality management
Experience
Machines
Centers
Series
Metal Binder Jetting FAQ
Stainless steels (316L, 17-4PH, 304L), tool steels (H13, M3/2), nickel superalloys (Inconel 718, 625), titanium (TC4/Ti-6Al-4V), copper alloys, and tungsten carbide. 8 material families with validated binder + sintering profiles.
Comparable. Both processes use the same sintering metallurgy. 3DPTEK achieves >97% theoretical density with optimized debinding and sintering. Mechanical test data (UTS, YS, elongation) provided with every production batch. HIP available for >99.5% density.
10–15 business days for prototypes, 3–4 weeks for production runs. Significantly faster than MIM (8–16 weeks for initial tooling). Rush orders available — contact sales@lyafs.com.
Yes. After sintering, BJ parts have a homogeneous microstructure and accept all standard secondary operations: heat treatment, electropolishing, passivation, plating, PVD coating, and welding. The sintered microstructure is equivalent to MIM.
No minimum. We handle single prototypes through 50,000+ unit production runs. The same process and quality standards apply regardless of quantity.
The printing process is similar, but the materials and sintering are completely different. Metal BJ uses water-based or solvent-based binders and sinters in controlled atmosphere. Ceramic BJ uses ceramic-specific binders and sinters at much higher temperatures — for SiC, alumina, and zirconia parts. We operate separate production lines for each.
Typically 96–99% of theoretical density, depending on material and sintering profile. SS316L and 17-4PH consistently achieve >97%. Hot Isostatic Pressing (HIP) available for applications requiring >99.5% density.
Yes. With optimized debinding and sintering profiles, BJ parts meet or exceed ASTM standards for MIM equivalents. We provide full mechanical test data (UTS, YS, elongation, hardness) with production orders.
As-sintered: Ra 3–8 µm. Post-processed (bead blast): Ra 2–5 µm. Polished: Ra <1 µm. Machining of critical surfaces available as secondary service.