
Special Alloys in Metal Injection Molding (MIM)
MIM Special Alloys deliver specialized capabilities including extreme temperature performance, magnetic functionality, and superior corrosion protection. At XY-GLOBAL, we provide proven special alloy MIM options for critical applications, enabling you to achieve demanding specifications, consistent reliability, and optimized manufacturing. Using carefully selected alloy compositions and advanced processing techniques, we support your custom special alloy projects from design through large-scale production.
- Diverse Special Alloy MIM Grades Available
- Rigorous Quality Assurance and Traceability
- Streamlined Manufacturing for Mission-Critical Components
MIM Special Alloys and Applications
XY-GLOBAL offers various MIM special alloys for precision components requiring unique thermal expansion control, magnetic properties, or exceptional corrosion resistance. Our materials unlock diverse applications across aerospace, electronics, and medical fields while helping you balance specialized performance with manufacturing efficiency.
Copper Alloys
CuCrZr (C18150) combines high electrical/thermal conductivity with excellent strength for connectors, heat sinks, and high-current electrical contacts.
C52100 offers superior spring properties and corrosion resistance for conductive springs and precision contacts.
C17200 provides ultra-high fatigue strength for micro-switches, bellows, and high-reliability connectors.
Aluminum Alloys
Aluminum AlSi10Mg delivers lightweight strength and thermal conductivity for aerospace brackets and electronic housings.
Al 6061-T6 is lightweight high-strength aluminum alloy for aerospace brackets, enclosures, and structural components requiring weight savings and corrosion resistance.
Nickel Alloys
Inconel 625 delivers outstanding corrosion resistance and high-temperature strength for aerospace engine parts and chemical processing.
Hastelloy C276 provides unmatched resistance to pitting and stress corrosion cracking in harsh chemical environments.
Inconel 718 offers high strength and creep resistance for turbine disks and rocket motors.
Cobalt-Chromium Alloys
Stellite F75 (ASTM F75) provides exceptional wear resistance and biocompatibility for orthopedic implants and dental prosthetics.
CoCrMo offers high strength and corrosion resistance for surgical instruments and joint replacement components.
ASTM F1684 (Invar Alloy)
Invar 36 (Fe64Ni36) features an ultra-low thermal expansion coefficient of just 1.2×10⁻⁶/°C for precision laser housings, semiconductor lithography components, cryogenic instruments, and aerospace optical assemblies requiring micron-level dimensional stability across wide temperature ranges.
ASTM F15 (Kovar Alloy)
Kovar F-15 (Fe29Ni17Co54) matches the thermal expansion of borosilicate glass and ceramics (4.5-5.0×10⁻⁶/°C) for reliable hermetic seals in vacuum tubes, microelectronic packages, microwave devices, and high-reliability sensor housings requiring glass-to-metal bonding integrity across -65°C to +200°C operating ranges.
MIM Special Alloy Grades and Properties
Special alloys are selected for MIM parts that require thermal stability, magnetic performance, corrosion resistance, wear resistance, or high-temperature reliability. Compared with standard structural metals, these grades are chosen for their unique functional properties, making them suitable for precision instruments, electronic components, medical devices, and demanding industrial applications.
| Alloy | Common Grades | Main Characteristics | Main Composition | Density (g/cm³) | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness | Elongation (%) | Best For |
|---|---|---|---|---|---|---|---|---|---|
| Copper Alloys | C1100, C18150, C17200, C52100 | Excellent electrical and thermal conductivity | Cu-based alloys | 8.7-8.9 | 200-400 | 80-250 | 40-90 HRB | 10-30 | Electrical contacts, heat transfer parts |
| Aluminum Alloys | 6061, AlSi10Mg | Lightweight and corrosion-resistant | Al-based alloys | 2.6-2.8 | 250-450 | 120-300 | 60-100 HB | 5-20 | Lightweight structural parts |
| Nickel Alloys | 718, 625, 600 | High temperature and corrosion resistance | Ni-based alloys | 8.2-8.9 | 600-1200 | 250-700 | 20-40 HRC | 5-30 | Aerospace, chemical, and thermal parts |
| Cobalt-Chromium Alloys | F75, F1537 | Superior wear resistance and biocompatibility | Co-Cr-based alloys | 8.2-8.4 | 900-1200 | 550-800 | 35-45 HRC | 1-5 | Medical, wear-resistant, and high-load parts |
| ASTM F1684 (Invar Alloy) | 36 | Near-zero thermal expansion | Fe-Ni alloy | ~8.1 | 450-600 | 240-350 | 90-150 HV | 20-35 | Precision instruments, laser housings |
| ASTM F15 (Kovar Alloy) | F15 | Matches glass and ceramic thermal expansion | Fe-Ni-Co alloy | ~8.2 | 500-650 | 250-400 | 150-220 HV | 20-30 | Hermetic seals, electronic packages |

Why Choose Special Alloys for MIM Parts
Special alloys deliver exceptional performance for MIM components demanding precise thermal, magnetic, or corrosion properties that surpass standard steels. They enable complex geometries with superior functionality while maintaining economic viability for high-volume manufacturing.
- Tailored Thermal Expansion: Matches glass/ceramics for hermetic seals and optical stability.
- Ultra-Low Expansion: Ensures dimensional precision in lasers and metrology tools.
- Controlled Magnetic Response: Optimizes soft magnetic cores for motors and sensors.
- Extreme Corrosion Resistance: Thrives in harsh chemical or biomedical environments.
- High-Temperature Capability: Maintains strength in aerospace and power applications.
- Biocompatibility: Enables implants and medical devices with long-term reliability.