Our 3J21 Elgiloy alloy strip is a top-tier material for durable aerospace and medical components. Built with a cobalt-chromium-nickel composition, this strip delivers a yield strength of up to 3,000 MPa, exceptional fatigue resistance, and biocompatibility that makes it a standout for critical applications. Whether you’re designing springs for aerospace control systems or implants for medical devices, our 3J21 strip ensures unmatched reliability and performance.
This alloy thrives in extreme conditions, offering corrosion resistance and thermal stability up to 200°C. Its low hysteresis means minimal energy loss, perfect for high-stress, high-cycle environments. We craft it with precision cold rolling and heat treatment, ensuring tight tolerances and consistent quality. For industries where failure isn’t an option, our 3J21 Elgiloy strip is the material you can trust.
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The aerospace and medical component markets are growing rapidly, driven by demand for high-performance, reliable materials. Aerospace requires lightweight, durable alloys for safety-critical systems, while medical device manufacturers need biocompatible materials for implants and tools. Our 3J21 Elgiloy strip meets both needs, offering strength, corrosion resistance, and stability. The global market for precision components is expanding, with a focus on materials that support sustainability and innovation.
Sustainability is a key driver, as industries seek materials that reduce waste and extend lifespans. Our alloy’s durability minimizes replacements, aligning with eco-friendly goals. Advancements in material science, like AI-driven alloy design, are shaping the future, and we’re leveraging these to enhance our products. While competition is intense, many alternatives lack the biocompatibility and high-temperature performance of our 3J21 strip, making it a leader in specialized applications.
| Grades | Density (g/cm³) | Electrical Resistivity (10⁻⁶ Ω·cm) | Thermal Conductivity (W/m·K) | Modulus of Elasticity (GPa) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation at Break (%) | Elastic Limit (MPa) | Fatigue Life (cycles) | Working Temperature Range (°C) | Temperature Coefficient |
| 8.1 | 80 | 11 | 144 | 800 | 1000 | 10 | 800 | >10⁷ | -60 to 200 | Extremely low temperature coefficient of elasticity | |
| 8.3 | 120 | 40 | 125 | 300 | 600 | 20 | 300 | >10⁷ | -40 to 150 | Elasticity remains constant with minimal temperature sensitivity | |
| 8.2 | 100 | 15 | 180 | 1100 | 1400 | 5 | 1100 | >10⁶ | -200 to 500 | Maintains high strength even at elevated temperatures |
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Our 3J21 Elgiloy strip is a versatile powerhouse. In aerospace, it’s used for springs, actuators, and vibration dampers, where its high strength and fatigue resistance ensure reliable performance. Medical applications include surgical implants, dental tools, and diagnostic devices, benefiting from its biocompatibility and corrosion resistance. The energy sector uses it for turbine components and energy storage systems, thriving in harsh environments.
Industrial applications include heavy-duty springs and connectors, where the strip’s durability extends equipment life. Its non-magnetic properties make it ideal for sensitive electromagnetic systems. From aerospace control systems to life-saving medical implants, our 3J21 strip delivers the strength and reliability engineers need for critical components.
Comparison Parameters Table
Parameter | 3J21 Elgiloy Alloy Strip | Standard Spring Steel | Stainless Steel (e.g., SUS301) |
|---|---|---|---|
Yield Strength (MPa) | Up to 3,000 | 1,500–2,000 | 1,000–1,800 |
Elastic Modulus (GPa) | ~200 | ~200 | ~193 |
Corrosion Resistance | Excellent, biocompatible | Moderate, needs coatings | Excellent, chromium-based |
Temperature Range (°C) | -40 to +200 | -20 to +150 | -50 to +300 |
Fatigue Resistance | Outstanding, millions of cycles | Good, but lower than 3J21 | Good, varies by alloy |
Hysteresis | Low, minimal energy loss | Moderate | Moderate to high |
Applications | Aerospace springs, medical implants | General springs | Springs, medical tools |
Cost-Effectiveness | High, due to durability | Moderate, lower initial cost | Higher, material-driven |
Our 3J21 Elgiloy alloy strip sets the standard for durability. Unlike typical competitors, we use advanced manufacturing to achieve superior strength and biocompatibility, ensuring our strip performs in the toughest conditions. While others may require coatings for corrosion resistance, our alloy thrives without them, saving you costs. Its high-temperature stability up to 200°C also outpaces many alternatives.
Customization is a key advantage. We tailor the strip’s properties to your exact specifications, unlike competitors with rigid offerings. Our rigorous quality control ensures every batch meets stringent standards, minimizing defects. Cost-wise, our alloy’s longevity offers better value than cheaper materials that wear out faster. We’re committed to sustainable production, reducing waste and energy use, unlike some outdated competitors. With fast delivery and global reach, our 3J21 strip keeps your projects soaring.
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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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FAQs:
What is the 3J21 Elgiloy alloy strip used for?
It’s designed for durable components like springs and connectors in aerospace and medical applications.What makes this alloy stand out?
Its cobalt-based composition offers high strength, corrosion resistance, and biocompatibility.Can it withstand harsh environments?
Yes, it excels in extreme conditions, including high temperatures and corrosive settings.Which industries benefit from this strip?
Aerospace, medical, energy, and precision engineering for critical components.How is it manufactured?
Through precision cold rolling and heat treatment for consistent quality and durability.What’s its temperature range?
Reliable from -40°C to +200°C, ideal for demanding applications.Is it suitable for medical devices?
Absolutely, its biocompatibility makes it perfect for implants and surgical tools.Why choose 3J21 Elgiloy for aerospace?
Its fatigue resistance and strength ensure reliable performance in high-stress systems.
