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1751 Beryllium Copper
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17510
(Class 3 copper) is a beryllium copper high copper alloy. Beryllium
Coppers are available in ductile, heat treatable tempers and in mill
hardened tempers. These alloys are used in a wide range of applications
requiring very high strength and stiffness with good conductivity. C17510
has conductivity of about 50% IACS and moderate strength.
The wrought
high copper alloys C16200-C19199 have designated copper contents between
96% and 99.3%. The thermal and electrical conductivities of the high
copper alloys are quite high, approaching those of higher purity coppers.
Corrosion resistance is generally as good or better than pure copper.
With a
favorable combination of strength and conductivity, high copper alloys see
a broad range of applications in electrical, electro-mechanical and
electronic products. Density = 0.317 lb/in3 at 68 F
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| Typical
Applications |
- Electrical
- Instrument Parts, Connectors, Heavy Duty, Relay Parts, Conductors,
Fuse Clips, Switch Parts
- Fasteners
- Fasteners
- Industrial
- Springs, Die Casting Plunger Tips, Thermal Transfer Plates, High
Flux Electromagnets, Welding Equipment
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| Chemical
Composition |
- Copper:
Remainder (nominal 97.8%)
- Aluminum:
.20 max.
- Beryllium:
.20 / .60
- Cobalt:
.30 max.
- Iron:
.10 max.
- Nickel:
1.4 / 2.2
- Silicon:
.20 max.
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| Fabrication
Properties |
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Soldering -
Good
Brazing - Good
Oxyacetylene Welding - Not Recommended
Gas Shielded Arc Welding - Fair
Coated Metal Arc Welding - Fair
Spot Weld - Good
Seam Weld - Fair
Butt Weld - Fair
Capacity for Being Cold Worked - Excellent
Capacity for Being Hot Formed - Good
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