Brian Fasteners produces and distributes Beryllium Copper C17200 Bars and Rods from Houston with their unique combination of strength, hardness, and conductivity. The most popular beryllium copper grade, C17200, is crucial in aerospace, electronics, tooling, and automotive industries. It is age-hardened to develop steel-like strength with the best fatigue, wear, and stress relaxation resistance. Our C17200 rods come in all the common tempers and conform to ASTM B196/B197 specifications. With stable mechanical and electrical performance, Brian Fasteners produces precision-made bars for mission-critical applications.
C17200 has ~1.8–2.0% beryllium and has copper in balance. Tensile strength is up to 1,400 MPa when hardened, and conductivity is ~20% IACS. Exhibits superior fatigue strength, dimensional stability, and corrosion resistance. It is age-hardening heat-treatable, machinable with ease, and retains strength in severe environments.
| Standards : | ASTM B194 / ASME SB194 |
| Dimensions : | ASTM, ASME and AMS |
| Specifications : | AMS 4650, AMS 4534, AMS 4651, AMS 4533, ASTM B196, MIL C 21657, SAE J463, SAE J461 |
| Grade : | Alloy 25 (C17200), CDA 172 |
| Size : | Custom Diameter & Sizes |
| Form : | Square , Round , Hex , Flat, Wire In Black & Bright Finish |
| Finish : | Bright, Polish & Black |
| Length : | Random, Fix & Cut Length |
| Alloy Description | Copper Beryllium (1.8%) |
| Element | Content (%) |
|---|---|
| Cu | 97.9 |
| Be | 1.9 |
| Co | 0.20 |
| Element | Beryllium Copper Alloys |
| Density | 8.3 g/cc |
| Thermal Conductivity | 0.3 cal/cm.cm²/s/°C |
| Electrical Conductivity | 22% IACS |
| Softening Temp | 300°C |
| Standard | Alloy 25 (C17200) |
| WERKSTOFF NR. | 2.1247 |
| UNS | C17200 |
Beryllium Copper C17200 bars maintain excellent strength, thermal conductivity, and resistance to oxidation in high-temperature environments, making them suitable for aerospace, automotive, and industrial applications requiring durability and performance.
Yes, Beryllium Copper C17200 Bars are corrosion-resistant, offering excellent resistance to oxidation, tarnish, and most atmospheric conditions, making them suitable for marine, industrial, and electrical applications.
Yes, Beryllium Copper C17200 Rods can typically be customized in size and length to meet specific requirements, depending on the manufacturer or supplier’s capabilities and production facilities.
Best suited for springs, molds, connectors, aircraft bushings, and tooling parts. Widespread applications in oil and gas tools, satellite components, and RF connectors. Also used in automotive valve guides, military equipment, and robot assemblies. The strength, non-magnetic quality, and conductivity of C17200 make it an ideal choice for harsh-condition applications. Brian Fasteners provides high-quality, accurately produced C17200 rods available for direct integration or post-machining.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
George Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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