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Applications | Specifications | Mechanical and Chemical Data | Tolerances
Beryllium Copper 173 offers excellent corrosion resistance, workability, and formability. It is also easy to machine. 173 is especially useful in environments that require high strength, fatigue resistance, wear resistance, and electrical conductivity. It is typically used in contact bridges, electrical switches, electric motor components, other electronic components, washers, screws, bolts, other fasteners, shafts, pump parts, valves, non-sparking safety tools, springs, bellows, welding equipment, tubing, and firing pins.
UNS C17300, CDA 173, C173, ISO CuBe2Pb, Alloy M25
Safety Data Sheet | Weight Calculator | Mill Test Reports
ASTM |
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B196 |
Physical Properties 173 | |||||
| |||||
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Density | 0.298 lb/in3 | ||||
Ultimate Tensile Strength | 84.8-131 ksi | ||||
Yield Tensile Strength | 74.7-105 ksi | ||||
Shear Strength | 64 ksi | ||||
Shear Modulus | 6,500 ksi | ||||
Hardness Rockwell | Brinell | B88-102 | 176-258 | ||||
Elongation at Break Percentage | 10-20% | ||||
Modulus of Elasticity | 18,100-18,900 ksi | ||||
Poisson's Ratio | 0.30 | ||||
Machinability Percentage | 50% | ||||
Melting Point | 1,590-1,800 °F | ||||
Specific Heat | 1.0 x 10^-1 BTU/lb-°F | ||||
Thermal Conductivity | 729-902 BTU-in/hr-ft^2-°F | ||||
Electrical Conductivity | 22% IACS |
Chemistry Information
|
|
Element |
Percentage |
Cu | 95.5 - 97.8 |
Ni | 0.2 - 0.6 |
Be | 1.8 - 2 |
Fe | 0 - 0.4 |
Pb | 0.2 - 0.6 |
Si | 0 - 0.2 |
Al | 0 - 0.2 |
Residual | 0.5 |