Materials / Brass
Brass C260
Brass C260 (cartridge, half-hard) strength, stiffness, density and thermal properties, with their source.
A bracket in Brass C260, brushed finish.
| Process | Wrought |
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| Mechanical |
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| Yield strength | 345MPasourcenominal, strip/flat, 0.5% extension (not 0.2% offset) |
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| Ultimate tensile strength | 427MPasourcenominal, strip/flat |
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| Elongation at break | 23%sourcenominal, in 2.0 in., strip/flat |
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| Young's modulus (stiffness) | 110GPasourcetypical, temper-independent |
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| Density | 8,525kg/m³sourcenominal |
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| Strength to weight | 40.5kN·m/kg |
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| Stiffness to weight | 12.9MN·m/kg |
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| Poisson's ratio | 0.34sourcereference value at room temperature (Wieland-M30 = CuZn30 = C26000, rolled products) |
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| Shear modulus | 41.2GPa |
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| Bulk modulus | 115GPa |
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| Speed of sound | 3,597m/s |
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| Thermal |
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| Thermal conductivity | 121W/m·Ksourcetypical, 20 °C |
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| Thermal expansion | 20µm/m·Ksourcetypical, mean 20-300 °C |
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| 100 mm part over a 50 °C swing | 100µm growth |
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| Specific heat | 377J/kg·Ksourcetypical, 20 °C |
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| Heats up and cools (diffusivity) | 37.7mm²/s |
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| Thermal shock resistance | 12,510W/m |
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| Melting point | 916–954°Csourcesolidus-liquidus |
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| Values for | C26000 cartridge brass, H02 half hard flat/strip: CDA Electronic Connector Design Guide (mechanical) + CDA alloy page (physical) |
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Stiffness against densityStrength against density