
When it comes to precision engineering and high-performance equipment, material reliability defines success. Pt-Ir 90/10 alloy rings—made of 90% platinum and 10% iridium—have become an indispensable choice across industries that demand exceptional corrosion resistance, high-temperature strength, and long-term dimensional stability. At DZX, we manufacture premium-grade Pt-Ir 90/10 alloy rings using advanced metallurgical processes to ensure every ring delivers outstanding performance in even the harshest environments.
Material Analysis
Pt-Ir 90/10 is a platinum-based alloy enhanced with 10% iridium to boost hardness and wear resistance while maintaining the noble qualities of platinum. Platinum provides remarkable corrosion resistance and thermal stability, while iridium enhances mechanical strength and reduces deformation under stress.
The result is a dense, durable alloy that performs reliably in demanding conditions such as chemical exposure, high-temperature operations, and mechanical vibration.
Key Material Properties:
Composition: 90% Platinum (Pt), 10% Iridium (Ir)
Density: 21.6 g/cm³
Melting Point: 1828°C
Hardness: 220–250 HV
Electrical Conductivity: High
Corrosion Resistance: Excellent, even in strong acids
Magnetic Properties: Non-magnetic
Equivalent international designations include:
USA: ASTM F560 (Platinum-Iridium Alloy for medical/scientific use)
Germany: DIN 17745 PtIr10
Russia: PtIr10 (ГОСТ standard)
DZX uses only high-purity raw platinum and iridium to maintain consistent alloy chemistry and superior mechanical integrity.
Applications of Pt-Ir 90/10 Alloy Rings
The exceptional characteristics of Pt-Ir 90/10 make it ideal for applications where both corrosion resistance and precision are crucial. DZX Pt-Ir 90/10 alloy rings are widely used in:
Medical devices: Implantable instruments, pacemaker electrodes, and surgical tools requiring high biocompatibility.
Scientific instruments: Analytical balances, thermocouples, and laboratory reference components.
Aerospace systems: Sensor housings, sealing rings, and electrical contact components exposed to extreme environments.
Chemical processing equipment: Valves, fittings, and reactors resistant to aggressive acids and oxidizing agents.
Electronics and metrology: Precision connectors, calibration tools, and conductive rings for high-reliability systems.
These applications all depend on materials that won’t corrode, oxidize, or deform—even after years of use under high stress or temperature.
Industry Trends
As industries move toward higher efficiency and miniaturization, the demand for platinum-iridium alloys has grown rapidly. In medical, aerospace, and scientific research sectors, Pt-Ir 90/10 alloys are replacing traditional stainless and nickel-based alloys due to superior performance and longevity.
Three major trends are shaping the use of Pt-Ir alloys today:
Advanced material stability: Precision instruments now require materials that maintain dimensional accuracy over time and temperature variations.
Increased focus on corrosion protection: Industries dealing with chemicals, acids, and sterilization cycles rely on Pt-Ir alloys to minimize material degradation.
Long lifecycle design: High-cost systems such as satellites, medical implants, and laboratory instruments prioritize components that can operate maintenance-free for decades.
At DZX, we actively support these advancements through ongoing material innovation and precision machining. Our production systems are optimized to ensure high yield consistency and repeatable performance across every batch.
Comparison Table: DZX Pt-Ir 90/10 Rings vs. Common Alloys
| Property | DZX Pt-Ir 90/10 Alloy Rings | Stainless Steel 316L | Nickel Alloy 625 | Titanium Alloy (Ti-6Al-4V) |
|---|
| Corrosion Resistance | Excellent | Good | Very Good | Moderate |
| Hardness (HV) | 220–250 | 200 | 210 | 340 |
| Density (g/cm³) | 21.6 | 8.0 | 8.4 | 4.5 |
| Thermal Stability (°C) | Up to 1000°C | 500°C | 700°C | 600°C |
| Biocompatibility | Outstanding | Moderate | Good | Excellent |
| Electrical Conductivity | High | Low | Moderate | Very Low |
| Magnetic Properties | Non-magnetic | Slightly magnetic | Non-magnetic | Non-magnetic |
| Service Life | 5–10x longer | Standard | Long | Long |
At DZX, we pride ourselves on engineering excellence and uncompromising quality. Our Pt-Ir 90/10 alloy rings are manufactured using refined processes that guarantee superior mechanical performance and purity. We integrate material science, precision machining, and strict quality control into every production step.
1. Advanced Material Control
DZX sources high-purity platinum and iridium from trusted global suppliers. Using vacuum melting technology, we achieve precise alloy compositions with minimal inclusions and uniform microstructure.
2. Precision Manufacturing
Our advanced CNC forming and polishing systems enable tight dimensional tolerances and mirror surface finishes suitable for critical aerospace and laboratory applications.
3. Customized Solutions
DZX engineers collaborate closely with clients to deliver rings tailored to unique environmental and mechanical requirements, whether for single prototypes or large-scale production.
4. Proven Reliability
DZX Pt-Ir 90/10 rings have earned the trust of professionals across medical, aerospace, and scientific industries. Every ring is tested for dimensional stability, corrosion resistance, and mechanical strength before shipment.
Choosing DZX means choosing long-term reliability, consistent quality, and a production partner that understands the precision your application demands.




About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

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What makes Pt-Ir 90/10 alloy rings corrosion resistant?
Platinum’s noble nature and iridium’s stability make the alloy nearly immune to acids, oxidation, and chemical degradation.
What’s the temperature limit for Pt-Ir 90/10 rings?
These rings can operate reliably at temperatures up to 1000°C without loss of mechanical strength.
Are Pt-Ir 90/10 rings biocompatible?
Yes. They’re completely non-reactive with biological tissues, making them ideal for medical implants and surgical tools.
How does iridium improve the properties of platinum?
Iridium increases hardness and wear resistance while maintaining platinum’s corrosion protection and ductility.
Can DZX customize ring dimensions?
Absolutely. We produce custom diameters, thicknesses, and tolerances according to client specifications.
What’s the lifespan of a Pt-Ir 90/10 ring?
Typically 5–10 times longer than stainless steel or nickel-based alloys, depending on the application.
How does DZX ensure alloy consistency?
DZX uses precision vacuum melting, cold working, and multi-stage quality inspections to maintain exact alloy ratios and purity.
Which industries benefit most from DZX Pt-Ir 90/10 rings?
Aerospace, scientific instrumentation, medical manufacturing, and chemical processing industries rely on our rings for critical, long-term applications.