Chung Metal distributes C17200 beryllium copper rods and bars, recognized as one of the strongest, age-hardening copper alloys with good electrical and fatigue properties. Our C17200 is processed with care, tested, and certified, featuring strict dimensional control and metallurgical integrity. Customers in high-reliability electronics, aerospace, tooling, and connectors rely upon our C17200 rods for applications where performance-critical properties like durability and conductivity must coexist.
C17200 has ~1.8–2.1% beryllium with trace cobalt, nickel, or related elements. Ultimate tensile strength in peak aged states may exceed ~1,300–1,500 MPa; yield strength frequently >1,100 MPa. Hardness is elevated (typically in the upper ranges of Rockwell or Brinell scale). Elongation is low in hardest tempers (often single-digit percent), although softer tempers have improved ductility. Electrical conductivity is lower in hardened forms (typically ~20–30% IACS, sometimes more so in softer states). Excellent dimensional stability, fatigue resistance, and wear resistance make it a best selection for challenging cycles.
| 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.
Used for springs, connectors with high loads, switching contacts, instrumentation of high performance, mold and die inserts, non-spark tools, and repeated load parts in electrical systems. In aerospace, reliability-critical connector applications. In oil & gas, tools that need to conduct while withstanding mechanical stress. Wherever there is a need for outstanding combination of cyclic durability, conductivity, and mechanical strength, rods of C17200 are perfect.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Da Nang, Vietnam
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