Brass is an alloy composed primarily of copper and zinc. Its properties can be adjusted by altering the proportions of these two metals, and it is widely used in various applications due to its durability, workability, and aesthetic appeal.
Chemical Compositions :
| Chemical Element | % |
|---|---|
| Cu | 62.00 - 64.00 |
| Al | 0.0 - 0.05 |
| Fe | 0.0 - 0.10 |
| Pb | 0.0 - 0.10 |
| Ni | 0.0 - 0.30 |
| Others (total) | 0.0 - 0.10 |
| Sn | 0.0 - 0.10 |
| Zn | Balance |
Physical Properties :
| Property | Value |
|---|---|
| Density | 8.44 kg/m3 |
| Melting Point | 916°C |
| Modulus of Elasticity | 103.4 GPa |
| Thermal Conductivity | 116 W/m.K |
| Thermal Expansion | 20.5x10-6 /°C |
Mechanical Properties :
| Property | Sheet | Tube |
|---|---|---|
| Tensile Strength | 300 - 550 MPa | 440 Min MPa |
| Proof Stress | 110 - 500 MPa | 320 Min MPa |
| Elongation A50 mm | 38 - 3% | 10 Min % |
| Hardness Vickers | 55 - 180 HV | 115 Min HV |
| Hardness Brinell | - | 110 Min HB |
| Alloy name | Critical Pitting Temp in Acidified 6% FeCl3 | Acidified 6% FeCl3 Critical Crevice Temperature | ||
| °F | °C | °F | °C | |
| 316L | 59 | 15 | 32 | 0 |
| 254SMO | 140 | 60 | 86 | 30 |
| 625 | 212 | 100 | 104 | 40 |
| C-276 | >302 | >150 | 131 | 55 |
| C-22® | >302 | >150 | 176 | 80 |