Brass is a copper alloy with zinc and a small amount of other alloying such as Arsenic adding which can inhibit the corrosion and improve the corrosion resistance. Alloy C44300 also known as admiralty brass and has good mechanical properties.
Brass C44300 Specifications:
Pipe/ tube: ASME SB111, ASTM B111;
ASME B395, ASTM B395
ASME B135, ASTM B135
Sheet/plate: ASME SB171, ASTM B171
Chemical Composition:
|
Cu |
Zn |
Sn |
As |
S |
Pb |
Fe |
|
Balance (nominal 91.0%) |
0.25-0.29 |
0.9-1.2 |
0.02-0.10 |
0.2 max |
0.07 max |
0.06 max |
Mechanical Properties:
| Density lb/in³ | 0.308 |
| Elastic Modulus (10⁶ psi) | 16 |
| Coefficient of Thermal Expansion (in./in./°F) | 11.2 x10⁶ |
| Thermal Conductivity (btu/ ft.hr. °F) | 64 |
| Melting Temperature °F | 1650 ~ 1720 |
| Tensile Strength ksi | 53 |
| Yield Strength 0.2% offset ksi | 22 |
| Elongation | 65 |
| Hardness (HB) | 75 |
Applications:
Brass C44300 is used where parts require good corrosion resistance and excellent heat transfer characteristics. Typical applications include military heat exchanger tubing, evaporator tubing, distiller tubes and so on.