Explore our premier selection of custom-engineered copper alloys, manufactured to meet rigid international standards for conductivity, strength, and wear resistance.
C19160 (CuNiSiCr) is a high-performance copper alloy belonging to the nickel-silicon precipitation strengthened copper alloy category. Strengthened through heat treatment, it possesses high strength and excellent electrical conductivity.
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Engineered for superior wear resistance and low friction, our lead bronze alloys are optimized for heavy-load bushings, bearings, and high-wear industrial machinery components.
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C17200 beryllium copper provides the highest strength of all available copper-beryllium alloys, with ultimate tensile strength exceeding 200 ksi (1380 MPa) after heat treatment.
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C17510 (CuNi2Be) offers a perfect blend of moderate tensile strength and high electrical conductivity, ideal for resistance welding electrodes and spring connectors.
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C17300 is a free-machining beryllium copper alloy containing a small addition of lead, enabling rapid machining while retaining high mechanical strength and conductivity.
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Ultra-pure, oxygen-free copper designed for high-vacuum electronics, semiconductor packaging, and applications requiring maximum electrical and thermal conductivity.
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C11000 Electrolytic Tough Pitch (ETP) copper offers excellent electrical conductivity, formability, and thermal properties, widely utilized in busbars and electrical grids.
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High-speed free-cutting tellurium copper alloy combining outstanding electrical conductivity with exceptional machinability, perfect for plasma cutting nozzles.
Learn MoreC17200 Beryllium Copper (commonly known as Alloy 25) stands at the pinnacle of copper metallurgy. Combining extreme tensile strength—rivaling high-grade alloy steels—with excellent thermal and electrical conductivity, C17200 is the material of choice for critical applications where failure is not an option.
In the global industrial market, the demand for custom C17200 copper components has surged. This growth is propelled by rapid advancements in aerospace engineering, deep-sea oil and gas exploration, defense technologies, and the automotive transition toward electric vehicles (EVs). As a non-magnetic, non-sparking material with exceptional fatigue resistance, C17200 is uniquely suited for harsh environments characterized by high mechanical stress, corrosive atmospheres, and extreme temperatures.
As leading custom C17200 copper suppliers and factories, we bridge the gap between raw metallurgical science and high-precision engineering. Our advanced manufacturing processes ensure that every batch of C17200 meets stringent international standards (ASTM B194, AMS 4533, EN 12163), providing global OEMs with the reliability and performance consistency their advanced systems demand.
Deep-dive technical data of C17200 Beryllium Copper. Understanding the chemical composition and mechanical properties is crucial for precise engineering applications.
| Chemical Element | Beryllium (Be) | Cobalt + Nickel (Co+Ni) | Cobalt + Nickel + Iron (Co+Ni+Fe) | Copper (Cu) | Lead (Pb) |
|---|---|---|---|---|---|
| Composition (Wt. %) | 1.80 - 2.00% | Min 0.20% | Max 0.60% | Balance | Max 0.02% |
| Temper (Heat Treatment) | Tensile Strength (MPa) | Yield Strength (0.2% Offset, MPa) | Elongation (%) | Hardness (Rockwell C) | Electrical Conductivity (% IACS) |
|---|---|---|---|---|---|
| TB00 (A - Solution Annealed) | 410 - 590 | 140 - 240 | 35 - 60 | B45 - B85 | 15 - 18% |
| TD04 (H - Hard Cold Rolled) | 690 - 830 | 520 - 690 | 4 - 20 | B95 - C25 | 15 - 18% |
| TF00 (AT - Age Hardened from A) | 1140 - 1310 | 970 - 1170 | 4 - 10 | C36 - C41 | 22 - 28% |
| TH04 (HT - Age Hardened from H) | 1310 - 1480 | 1100 - 1310 | 2 - 5 | C38 - C45 | 22 - 28% |
The exceptional strength of C17200 is achieved through a two-step thermal process: solution annealing and age hardening. During solution annealing at high temperatures, beryllium is dissolved into the copper matrix, forming a supersaturated solid solution. Subsequent age hardening (typically at 315°C to 325°C for 2 to 3 hours) causes sub-microscopic beryllium-rich precipitates to form within the crystal lattice. These precipitates block dislocation movement, dramatically increasing the material's yield strength and hardness while simultaneously restoring electrical conductivity by clearing the copper matrix of dissolved solute atoms.
Established in May 2017, Sichuan Kepai New Materials Co., Ltd. is a high-tech enterprise specializing in the R&D, production, and sales of high-conductivity, high-strength special copper alloys. Operating from our state-of-the-art 29,000 square meter facility, we have positioned ourselves as a premier global supplier of advanced copper solutions.
Our core technical strength lies in our independent research and development capabilities. We hold over 30 patents and have pioneered the development of oxygen-free, highly conductive tellurium copper alloys alongside our custom C17200 beryllium copper product lines. By integrating raw material melting, extrusion, drawing, and heat treatment under one roof, we maintain absolute control over the microstructural integrity of our alloys.
Kepai is fully certified under international standards, including ISO9001:2015, ISO14001:2015, and OHSAS 45001:2018. Our commitment to environmentally friendly manufacturing processes and strict quality control ensures that our products comply with RoHS and REACH regulations, making us a trusted partner for Fortune 500 companies across the globe.
How emerging technologies and sustainability initiatives are shaping the future of high-strength copper alloy manufacturing.
The rapid transition to electric vehicles demands high-performance connectors and terminals capable of handling massive currents without thermal runaway. Custom C17200 foil and strip are critical for battery busbars, relays, and high-voltage charging systems.
As microelectronics shrink, connectors must maintain high contact force within smaller footprints. The extreme yield strength of C17200 allows engineers to design ultra-thin, highly resilient spring contacts for smartphones, 5G base stations, and semiconductor testing probes.
Environmental regulations are driving factories to implement advanced dust extraction and closed-loop recycling systems. Sichuan Kepai is at the forefront, utilizing eco-friendly production processes to safely handle beryllium while minimizing environmental impact.
Where C17200 Beryllium Copper performs when failure is not an option. Real-world applications across high-tech industries.
How Sichuan Kepai New Materials solves complex engineering challenges with tailored metallurgical solutions.
We provide custom-extruded C17200 rods, bars, and tubes with highly controlled grain structures. Our state-of-the-art extrusion presses ensure uniform mechanical properties throughout the entire length of the material, reducing machining scrap for our clients.
Our rolling mills produce high-elastic C17200 beryllium copper foil down to micron-level thicknesses. This ultra-thin foil is highly sought after for precision diaphragms, miniature switches, and high-end acoustic components requiring rapid elastic recovery.
Different applications require different tempers. Our metallurgical engineers design custom age-hardening cycles (under-aging, peak-aging, or over-aging) to optimize the material specifically for high electrical conductivity, maximum tensile strength, or superior ductility.
Expert answers to the most common technical and commercial questions regarding C17200 Beryllium Copper.
From high-conductivity tellurium copper to wear-resistant lead bronze, discover the perfect alloy for your engineering requirements.
C14500 Tellurium Copper offers high electrical and thermal conductivity, excellent machinability, and high resistance to hydrogen embrittlement, ideal for electrical components.
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C36000 is the industry standard for free-cutting brass. Offering unmatched machinability and excellent thread-rolling properties, it is perfect for high-volume screw machine parts.
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C14700 Sulfur Copper provides a unique combination of high electrical conductivity and excellent free-machining characteristics, serving as an outstanding alternative to tellurium copper.
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C18150 is a premier copper alloy containing chromium and zirconium. It features high electrical conductivity and maintains its strength at elevated temperatures, ideal for welding caps.
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Premium-grade beryllium copper alloys exported globally. Engineered for high-stress applications requiring excellent fatigue resistance and non-magnetic properties.
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Custom-formulated leaded bronze materials designed for high-speed, heavy-load bearing applications where self-lubricating properties are required.
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Oxygen-free high conductivity tellurium copper (OFT) combines ultra-high electrical conductivity with exceptional machinability, perfect for high-end electrical contacts.
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Custom OEM beryllium copper solutions tailored to your exact specifications. Available in rods, wires, sheets, and custom-machined components.
Learn MoreWhether you require custom age-hardened C17200 rods, ultra-thin high-elastic foil, or specialized technical consultation, our metallurgical experts are ready to assist you. Contact Sichuan Kepai New Materials today for a comprehensive quote.
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