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Founded and patented by English businessman George F. Muntz in 1832, Brass Sheet (C28000 Brass Sheet or C280 Brass Sheet) is primarily used in architectural applications owing to its distinctive color. It is highly plastic metal at red heat that makes it ideal for pressing, stamping and hot forging. The metal alloy is also appreciated for high electrical and thermal conductivity, high ductility, high impact strength, good creep resistance, ease of welding, and low volatility under high vacuum Pressure.
| Physical Properties | US Customary | Metric |
|---|---|---|
| Physical Properties | US Customary | Metric |
| Coefficient of Thermal Expansion | 11.6 ·10⁻⁶ per °F (68-572 F) | 20.9 ·10⁶ per °C (20-300 C) |
| Density | 0.303 lb/in³ @ 68°F | 8.39 gm/cm³ @ 20°C |
| Electrical Conductivity | 28% IACS @ 68°F | 0.164 MegaSiemens/cm @ 20°C |
| Electrical Resistivity | 37.0 ohms-cmil/ft @ 68°F | 6.15 microhm-cm @ 20°C |
| Melting Point (Liquid) | 1660°F | 904°C |
| Melting Point (Solid) | 1650°F | 899°C |
| Modulus of Elasticity in Tension | 15000 ksi | 103400 MPa |
| Modulus of Rigidity | 5600 ksi | 38610 MPa |
| Specific Gravity | 8.39 | 8.39 |
| Specific Heat Capacity | 0.09 Btu/lb/°F @ 68°F | 377.1 J/kg · °K at 293 K |
| Thermal Conductivity | 71.0 Btu · ft/(hr · ft² ·°F) @ 68°F | 1229.9 W/m · °K at 20°C |
| Chemical Composition | ||||
|---|---|---|---|---|
| (%max., unless shown as range or min.) | ||||
| CU | Fe | Pb | zn | |
| Min./Max. | 59.0-63.0 | 80 - 83.0 | 0.2 | Rem. |
| Nominal | 60 | - | - | 40 |
| Specification | ||||
|---|---|---|---|---|
| 60/40 Brass Sheet |
ISO CuZn40 EN CuZn40 BS CZ 109 JIS C2800 Russian L60 |
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