to Cast brasses
to Properties of copper alloys
(submitted by the website administration)
| Cast copper alloy C84800 (Plumbing Goods Brass) | ||||
| Chemical composition: Zn=15%, Pb=6.8%, Sn=2.5%, Cu=76% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.58 *10³ | kg/m³ | 536 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 103 | GPa | 15000 | ksi |
| Thermal expansion (20 ºC) | 18.0*10-6 | ºCˉ¹ | 10.0*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 72.0 | W/(m*K) | 499 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 10.5*10-8 | Ohm*m | 10.5*10-6 | Ohm*cm |
| Tensile strength (sand cast) | 255 | MPa | 37000 | psi |
| Yield strength (sand cast) | 97 | MPa | 14000 | psi |
| Elongation (sand cast) | 35 | % | 35 | % |
| Fatigue strength (sand cast) | 76 | MPa | 11000 | psi |
| Hardness (sand cast) | 55 | HB(500) | 55 | HB(500) |
| Liquidus temperature | 954 | ºC | 1750 | ºF |
| Solidus temperature | 832 | ºC | 1530 | ºF |