Low-Oxygen Medical Grade Nitinol Powder 45-106μm — ASTM F2063 Supplier
Princeton Nitinol supplies low-oxygen medical grade spherical Nitinol (NiTi) powder, 45-106 microns (D10-D90), gas-atomized for electron beam melting (EBM), large-format laser powder-bed fusion, and metal injection molding (MIM) of medium-to-large components. Fully compliant with ASTM F2063, ISO 5832-11, and ISO 9001:2015. Higher flowability and build rate versus finer grades — trusted by medical device and aerospace manufacturers for production-scale additive manufacturing.
ASTM F2063 Certified Medical Grade
Full chemical composition traceability per ASTM F2063 — Nickel 54.5-57.0 wt%, Oxygen < 500 ppm, Carbon < 200 ppm. DSC transformation temperature report with every lot.
VIM + EIGA Gas-Atomized
Vacuum induction melted then electrode induction gas atomized under argon — crucible-free process minimizes oxygen pickup and ensures exceptional chemical homogeneity.
Superior Flowability < 20 s/50g
Coarser 45-106 μm cut delivers faster powder spreading, higher build rates, and excellent packing density — ideal for EBM and production-scale MIM manufacturing.
Product Overview
Low-oxygen medical grade Nitinol powder 45-106 microns is a highly spherical, gas-atomized nickel-titanium alloy powder engineered for electron beam melting (EBM), larger-format laser powder-bed fusion, and metal injection molding (MIM) of medium-to-large Nitinol components. With a precisely controlled particle size distribution (D10: 45 μm, D50: ~70 μm, D90: 106 μm) and oxygen content below 500 ppm, this powder delivers superior flowability (Hall flow < 20 s/50g), high apparent density (> 4.2 g/cm³), and faster powder recoating — enabling higher build rates and lower cost-per-part versus finer powder grades.
Princeton Nitinol is a leading Nitinol powder supplier for medical device and aerospace additive manufacturing in the United States. The 45-106 micron grade is the preferred choice for EBM production of orthopedic implants, spinal cages, and larger structural Nitinol components — as well as MIM production of superelastic eyeglass frames, actuators, and industrial shape memory components. Every powder lot is fully characterized: chemical analysis (Ni, Ti, O, C, N, H, Fe), DSC transformation temperature report (Af, As, Ms, Mf) per ASTM F2004, laser diffraction PSD (D10, D50, D90), SEM morphology, Hall flow rate, apparent density, and tap density. For high-resolution, fine-feature medical devices, our 15-53 micron Nitinol powder is recommended.
Technical Specifications
Chemical Composition (ASTM F2063)
| Element | Specification (wt%) | Typical Value |
|---|---|---|
| Nickel (Ni) | 54.5 – 57.0 | 55.8 |
| Titanium (Ti) | Balance | 44.2 |
| Oxygen (O) | < 0.05 (500 ppm) | 0.032 (320 ppm) |
| Carbon (C) | < 0.02 (200 ppm) | 0.010 (100 ppm) |
| Nitrogen (N) | < 0.005 (50 ppm) | 0.003 (30 ppm) |
| Hydrogen (H) | < 0.005 (50 ppm) | 0.002 (20 ppm) |
| Iron (Fe) | < 0.05 (500 ppm) | 0.02 (200 ppm) |
Particle Size Distribution
| Parameter | Specification | Method |
|---|---|---|
| D10 | 45 ± 5 μm | Laser Diffraction (ISO 13320) |
| D50 | 65 – 78 μm | Laser Diffraction (ISO 13320) |
| D90 | 106 ± 8 μm | Laser Diffraction (ISO 13320) |
| Particle Morphology | Highly Spherical (> 95%) | SEM Image Analysis |
| Satellite Content | < 3% | SEM Image Analysis |
Physical Properties
| Property | Typical Value | Method |
|---|---|---|
| Apparent Density | 4.2 – 4.5 g/cm³ | ASTM B212 (Hall Flowmeter) |
| Tap Density | 5.0 – 5.4 g/cm³ | ASTM B527 |
| Hall Flow Rate | < 20 s/50g | ASTM B213 |
| True Density (Pycnometer) | 6.45 g/cm³ | Helium Pycnometry |
| Alloy Type | Superelastic (Austenitic) / Shape Memory (Martensitic) | Per Customer Af Specification |
| Af Temperature (Standard) | 10 ± 5 °C | ASTM F2004 (DSC) |
| Melting Point | ~1,310 °C | Nominal |
Applications
Medical Device EBM & Large-Format AM
- Orthopedic bone fixation plates — patient-specific EBM-printed Nitinol implants
- Spinal fusion cages — porous NiTi lattice structures for osseointegration
- Hip and knee implant components — large-format superelastic structures
- Craniomaxillofacial reconstruction plates — custom-contoured medical implants
- Trauma fixation devices — high-strength shape memory bone staples
- Large-diameter vascular stent grafts — EBM-printed Nitinol frameworks
- Prosthetic joint components — wear-resistant NiTi articulating surfaces
- Surgical instrument bodies — MIM-produced superelastic tool housings
Aerospace & Defense EBM Applications
- Satellite deployable structures — EBM-printed shape memory hinge mechanisms
- Aircraft engine adaptive seals — large-format Nitinol clearance control rings
- Rocket engine compliant joints — high-temperature NiTi flexible couplings
- Spacecraft vibration isolators — 3D-printed Nitinol damping components
- Morphing airfoil actuator frames — EBM-printed shape memory structures
- Non-explosive release mechanisms — large Nitinol actuator bolts for stage separation
- Hypersonic vehicle thermal protection — NiTi adaptive panel attachments
Industrial MIM & Production-Scale AM
- MIM superelastic eyeglass frames — high-volume consumer product manufacturing
- Automotive thermal actuators — MIM-produced shape memory valve components
- Robotic compliant grippers — EBM-printed flexible robotic end-effectors
- Industrial heat engine components — large-format Nitinol thermal cycle engines
- Precision MIM watch and jewelry components — superelastic luxury goods
- Oil and gas downhole actuators — high-temperature shape memory tools
- Fire safety sprinkler actuators — MIM mass-produced shape memory triggers
Nitinol Powder Grade Comparison: 15-53μm vs 45-106μm
| Parameter | 15-53 μm (Fine Grade) | 45-106 μm (Coarse Grade) |
|---|---|---|
| Best For | High-resolution SLM/DMLS — stents, heart valves, small intricate devices | EBM, large-format LPBF, MIM — orthopedic implants, actuators, production parts |
| Hall Flow Rate | < 25 s/50g | < 20 s/50g (better) |
| Apparent Density | 4.0 – 4.3 g/cm³ | 4.2 – 4.5 g/cm³ (higher) |
| Minimum Feature Size | ~100 μm wall thickness | ~200 μm wall thickness |
| Surface Finish (as-built) | Ra 5-10 μm (finer) | Ra 10-20 μm |
| Build Rate | Standard | Faster — thicker layers, quicker recoating |
| Cost per kg | Higher (lower atomization yield) | Lower (higher atomization yield) |
| Typical Process | SLM, DMLS, Laser-PBF | EBM, Large-Format LPBF, MIM |
Why Choose Princeton Nitinol Powder
VIM + EIGA Processing
Vacuum induction melting followed by electrode induction gas atomization — crucible-free argon atomization ensures oxygen < 500 ppm and superior chemical homogeneity.
Full Lot Characterization
Every lot tested: chemical analysis (7 elements), DSC Af/As/Ms/Mf per ASTM F2004, laser PSD (D10/D50/D90), SEM morphology, Hall flow, apparent & tap density.
Optimized for High Build Rates
Coarser 45-106 μm cut with < 3% satellites, superior flowability (< 20 s/50g), and higher packing density — lower cost-per-part in production.
Custom Af Temperature
Standard Af 10 ± 5 °C (superelastic at room temperature). Custom Af from -50 °C to +100 °C available with ± 5 °C tolerance for shape memory applications.
Medical-Grade Traceability
Full material traceability from VIM ingot to final powder lot. Documentation package meets FDA QSR and EU MDR requirements for medical device materials.
US Inventory, Fast Delivery
Domestic stock of standard 15-53 μm and 45-106 μm grades eliminates international lead times. Same-day quotes, 1-2 week delivery for stock specifications.
Packaging & Available Forms
| Form | Description | Typical Packaging |
|---|---|---|
| 45-106 μm Powder | Standard EBM / MIM grade — coarser spherical powder for higher build rates and large components | 1 kg, 5 kg, 10 kg argon-backfilled HDPE bottles |
| Custom Particle Cuts | Custom D10-D90 ranges within 20-150 μm — sieved to your exact specification | Per customer requirement; vacuum-sealed |
| Pre-Screened Build-Ready | Pre-sieved, moisture-controlled, ready for direct loading into EBM or MIM feedstock hoppers | Argon-backfilled, desiccant-packed containers |
| Sample / R&D Quantity | 100 g, 500 g evaluation quantities for process parameter development | Vacuum-sealed foil pouches under argon |
Ordering & After-sales Support
Every Nitinol powder order includes: Certificate of Conformance (CoC), Chemical Analysis report (Ni, Ti, O, C, N, H, Fe), DSC transformation temperature report per ASTM F2004 (Af, As, Ms, Mf), laser diffraction PSD report (D10, D50, D90), SEM morphology images, Hall flow rate, apparent density, and tap density. Full material traceability documentation from VIM ingot to final powder lot.
We ship globally with protective argon-backfilled packaging to maintain powder quality during transit. Standard lead time is 1-2 weeks for stock 45-106 μm specifications; custom particle size distributions or non-standard Af temperatures may require 3-4 weeks. Minimum order quantity (MOQ): 1 kg. Rush orders and partial shipments available on request. 30-day return policy on standard catalog products. Contact our engineering team for application-specific powder selection support — we help match the right grade to your AM process.
Frequently Asked Questions
Low-oxygen medical grade Nitinol powder 45-106 microns (D10-D90) is optimized for electron beam melting (EBM), larger-format laser powder-bed fusion, and metal injection molding (MIM) of medium-to-large Nitinol components. The coarser particle size enables higher build rates, excellent powder flowability, and good packing density while maintaining spherical morphology for consistent melting. Princeton Nitinol powder is ASTM F2063 and ISO 5832-11 compliant.
45-106 micron Nitinol powder is the coarser grade offering higher powder flowability (< 20 s/50g Hall flow), faster build rates in EBM and large-format laser systems, and lower cost per kilogram due to higher atomization yield. It is ideal for larger medical implants (orthopedic plates, spinal cages), industrial MIM components, and applications where surface finish requirements are moderate. For fine-feature, high-resolution parts (stents, heart valve frames), 15-53 micron Nitinol powder is recommended.
Oxygen content directly affects Nitinol transformation temperatures (Af). Each 100 ppm increase in oxygen can shift Af by several degrees, reducing superelastic performance predictability. Princeton Nitinol low-oxygen powder (< 500 ppm O) ensures stable, predictable Af temperatures and full ASTM F2063 compliance for medical device regulatory submissions.
Princeton Nitinol powder is produced via vacuum induction melting (VIM) followed by electrode induction gas atomization (EIGA) under argon — a crucible-free process that minimizes oxygen pickup. Every lot is characterized for chemical composition, DSC transformation temperatures (ASTM F2004), laser PSD (D10/D50/D90), SEM morphology, Hall flow, and density.
Every order includes: Certificate of Conformance (CoC), Chemical Analysis (Ni, Ti, O, C, N, H, Fe), DSC transformation temperature report (Af, As, Ms, Mf) per ASTM F2004, laser particle size distribution (D10, D50, D90), SEM morphology imaging, Hall flow rate, apparent density, and tap density. Full material traceability from ingot to powder lot.
Standard MOQ is 1 kg. Lead time is 1-2 weeks for stock 45-106 μm or 15-53 μm specifications. Custom particle size distributions or non-standard alloy compositions may require 3-4 weeks. Rush orders available. Princeton Nitinol ships globally with protective argon-backfilled packaging.