In today’s high-performance industries, where heat, pressure, and chemical exposure can destroy ordinary materials, DLX’s ASTM B684 Platinum-Iridium Tubes stand as the ultimate choice for reliability. Designed for environments that demand strength, oxidation resistance, and unmatched stability, these tubes set a new standard in precision engineering.
Platinum-Iridium alloys are known for their balance of ductility, corrosion resistance, and mechanical hardness. Platinum provides superior oxidation resistance and chemical inertness, while iridium adds hardness and structural stability at extreme temperatures.
Our ASTM B684-compliant Pt-Ir tubes are manufactured under vacuum conditions to ensure purity and consistency. DLX uses advanced drawing, extrusion, and annealing techniques, resulting in a microstructure that resists cracking, oxidation, and deformation under thermal stress.
These properties make DLX’s Pt-Ir tubes ideal for industrial, aerospace, and energy systems where performance cannot be compromised.
DLX’s Pt-Ir tubes are used in some of the most demanding technical applications, including:
Aerospace Systems: Precision tubing for Thermocouple s, sensors, and electrical conduits that withstand extreme heat and vibration.
Chemical Processing Equipment: Tubes used for transporting corrosive fluids or gases at high temperatures.
Power Generation: Ideal for high-temperature fuel cells, turbine instrumentation, and emission control devices.
Analytical Instruments: Used in chromatography, spectrometry, and laboratory analyzers where precision and inertness are key.
Medical and Laboratory Equipment: For biocompatible, high-purity tubing in analytical and sterilization systems.
High-Temperature Electronics: Reliable as conductor or connector material in sensors, resistors, and specialized electronic assemblies.
Each DLX tube delivers precision, purity, and long-term performance, even in high-temperature oxidizing atmospheres.
Platinum Iridium Tube Product Table
Parameter | Details |
|---|---|
Material Composition | 95% Platinum, 5% Iridium (PtIr5) |
Purity | 99.95%–99.99% |
Melting Point | 1790°C |
Density | 21.49 g/cm³ |
Hardness (Vickers) | 90 HV (soft state), 140 HV (hard state) |
Tensile Strength | 274 MPa |
Electrical Resistivity | 19.0 µΩ·cm at 20°C |
Corrosion Resistance | Excellent, resistant to strong acids, alkalis, and bodily fluids |
Biocompatibility | High, suitable for medical implants |
Standard Sizes | Outer diameter: 0.2–10 mm; Wall thickness: 0.05–1 mm; Length: Customizable |
Applications | Medical devices (pacemaker electrodes, stents), aerospace, chemical processing, precision instruments, electrical contacts, catalyst supports |
Standards Compliance | ASTM B684 |
Customization | Available for dimensions, composition (PtIr5, PtIr10), and tolerances |
For more details, pls directly contact us.
The global demand for high-temperature and corrosion-resistant materials continues to grow, particularly in aerospace, renewable energy, and advanced electronics.
Manufacturers and research institutions are shifting toward noble-metal alloys like Pt-Ir, which combine longevity and performance under extreme conditions. This trend is also driven by stricter regulations on equipment reliability, cleaner energy processes, and sustainability goals.
DLX keeps pace with this evolution by investing in advanced processing technologies and offering fully traceable ASTM B684 materials. Our platinum-iridium tubes provide not only mechanical performance but also material purity, enabling superior results in precision-driven industries.
Comparison Table: ASTM B684 Pt-Ir Tubes vs Other Alloys
| Property | Pt90Ir10 (ASTM B684) | Pt80Ir20 (ASTM B684) | Nickel Alloy | Stainless Steel 316L |
|---|---|---|---|---|
| Composition | 90% Pt, 10% Ir | 80% Pt, 20% Ir | Ni-Cr-Fe | Fe-Cr-Ni |
| Hardness (HV) | 200–230 | 240–260 | 180–220 | 150–200 |
| Melting Point (°C) | ~1780 | ~1820 | ~1400 | ~1450 |
| Oxidation Resistance | Excellent | Excellent | Good | Moderate |
| Corrosion Resistance | Outstanding | Outstanding | Good | Moderate |
| Thermal Stability | Excellent | Excellent | Good | Fair |
| Electrical Conductivity | High | Moderate | Medium | Low |
| Typical Applications | Aerospace sensors, electrical components | Chemical processing, electrodes | Heat exchangers | General tubing |
DLX has built a reputation as a trusted manufacturer of platinum-iridium components, offering an unmatched combination of quality, customization, and technical expertise.
Here’s why our Pt-Ir tubes stand out:
Strict ASTM B684 Compliance: Every batch undergoes compositional verification, mechanical testing, and oxidation resistance checks.
High Purity Alloys: We use refined platinum and iridium sourced from verified suppliers, ensuring consistency and traceability.
Tailored Dimensions: Custom diameters, lengths, and wall thicknesses to suit industrial and scientific needs.
Surface Perfection: Smooth internal and external surfaces for consistent performance in high-pressure or high-temperature conditions.
Expert Metallurgy: Decades of alloy experience ensure tubes are optimized for specific thermal and mechanical requirements.
Global Delivery: Efficient production cycles and fast logistics ensure reliable delivery worldwide.
DLX’s dedication to precision, performance, and partnership has made us a preferred supplier for industries where ordinary materials simply can’t endure.
Performance Advantages
Compared to conventional materials, DLX’s ASTM B684 Pt-Ir tubes deliver:
Superior oxidation resistance even above 1000°C
Exceptional corrosion resistance to acids, halogens, and industrial gases
Dimensional stability under continuous thermal cycling
High electrical conductivity for precision electronic and sensor applications
Longer service life, reducing downtime and maintenance costs
These advantages help industries achieve higher reliability and operational efficiency, especially in high-performance systems.
Comparative Advantage of DLX
When compared with general metal suppliers, DLX offers specialized technical control and customized alloy engineering. While others provide off-the-shelf metals, DLX crafts tailor-made Pt-Ir solutions that meet exact performance criteria.
Our facilities are equipped for precision melting, extrusion, drawing, and finishing, supported by advanced testing methods to ensure every tube meets strict ASTM and industrial requirements.
The result: tubes that perform flawlessly in aerospace sensors, analytical instruments, and chemical reactors, even after prolonged exposure to harsh operating conditions.
DLX’s ASTM B684 Platinum Iridium Tubes represent the pinnacle of high-temperature alloy engineering. With exceptional oxidation resistance, mechanical strength, and purity, they provide the durability and precision required by modern industry.
From aerospace systems to advanced chemical processing, DLX’s Pt-Ir tubes deliver long-lasting reliability that enhances performance and reduces operational costs. Manufactured under strict ASTM standards and optimized through years of alloy expertise, they embody the engineering excellence DLX is known for.
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 are ASTM B684 Pt-Ir Tubes?
ASTM B684 Pt-Ir tubes are precision-engineered platinum-iridium alloy tubes manufactured according to ASTM standards, ensuring uniform mechanical strength, dimensional accuracy, and oxidation resistance for demanding industrial environments.What are the common compositions for these tubes?
Typical compositions include Pt90Ir10, Pt80Ir20, and Pt70Ir30, depending on the required balance between hardness, conductivity, and corrosion resistance.Why is ASTM B684 important for Pt-Ir tubing?
ASTM B684 ensures consistency in alloy composition, mechanical integrity, and surface quality. It guarantees that the tubes meet international standards for high-performance applications.What industries use ASTM B684 Pt-Ir tubes?
They are widely used in aerospace, energy, chemical processing, high-temperature sensors, and analytical instrumentation.Do these tubes resist oxidation at high temperatures?
Yes. The Pt-Ir alloy’s exceptional oxidation resistance allows it to retain mechanical properties even in atmospheres above 1000°C.Can DLX provide customized Pt-Ir tubes?
Absolutely. DLX specializes in custom dimensions, wall thickness, and surface finishes to meet precise industrial and research requirements.How do these tubes compare to nickel or stainless steel tubing?
Pt-Ir tubes outperform conventional alloys in chemical inertness, high-temperature stability, and dimensional precision, especially under thermal cycling or oxidation.Are DLX’s Pt-Ir tubes suitable for electrical and sensor components?
Yes. Their conductivity and resistance to thermal degradation make them ideal for high-temperature sensors, connectors, and precision electronic components.
