C14500 or tellurium copper has similar mechanical properties to unalloyed pure copper, but with greater machinability. By adding tellurium to the copper alloy, the cutting performance of C14500 has been significantly improved. Tellurium copper is also known for its high electrical conductivity.
Similar or equivalent specification
| CDA | ASTM | SAE | AMS | Federal | Military | Other |
|---|---|---|---|---|---|---|
| C14500 | B124 B124M B301 B301M |
J461 J463 |
Tellurium-bearing (PTE) |
Chemical composition
| Cu%1,2 | P% | Te% | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chemical composition according to ASTM B301/B301M-13(2020)
1Includes silver 2Includes tellurium and phosphorus
Note: includes oxygen-free or deoxidized grades with deoxidizers (such as phosphorus, boron, lithium, or other) in an amount agreed upon. Unless otherwise noted, single values represent maximums.
|
|||||||||||
| 99.90 min |
0.004- 0.012 |
0.40- 0.70 |
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The mechanical properties of Copper C145 make it an excellent choice for high-strength applications such as automotive components or fasteners. It has an excellent tensile strength (550-650 MPa) and yield strength (200-300 MPa). Its elongation ranges from 10-20%. This material also has good ductility, which makes it easier to form shapes when machining or welding.
Additionally, its machinability makes it helpful in creating intricate shapes or designs needed for complex parts such as gears or bearings. Finally, its weldability allows for the easy joining together of multiple parts into one cohesive piece without losing any structural integrity during the
As previously mentioned, Copper C145 has excellent corrosion resistance making it ideal for use in marine and industrial applications where exposure to harsh environmental conditions is common. It can also be used in electrical components due to its low sulfur content, which ensures minimal electrical resistance when conducting current through the material.
Copper C145 offers good heat resistance making it suitable for use in high-temperature environments where temperatures exceed 650°C (1200°F). The alloy can retain its shape at these temperatures without deforming or becoming brittle like some other metals would at higher temperatures.
Depending on the application requirements, this material can be treated with various heat treatments to improve its strength and hardness further.
In terms of machining capabilities, these materials can easily be cut using standard cutting tools such as drills and saws; however, they require extra care due to their tendency to work hard during fabrication processes, leading to increased tool wear rates over time if not monitored closely enough during production runs.
As far as welding goes, these alloys are fairly easy to join together using either MIG or TIG welding techniques; however, the flux should always be used when possible, as this will ensure a strong joint between two pieces of metal without sacrificing any structural integrity during the process itself.
