Sep 27 2012
UNS C44400 admiralty antimonial copper has a copper content of not less than 70%.
The following table shows the mechanical properties of UNS C44400 plates as a function of heat treatment and thickness.
| Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| M20 |
25.4 mm (1 in) |
331 MPa (48 ksi) |
124 MPa (18 ksi) |
65% |
- |
- |
70 |
- |
The chemical composition of UNS C44400 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
70-73 |
| Tin, Sn |
0.8-1.2 |
| Lead, Pb |
0.07 |
| Iron, Fe |
0.06 |
| Antimony, Sb |
0.02-0.10 |
| Zinc, Zn |
Remainder |
Equivalent materials to UNS C44400 copper alloy are:
- ASME SB111
- ASME SB171
- ASME SB359
- ASME SB395
- ASME SB543
- ASTM B111
- ASTM B171
- ASTM B359
- ASTM B395
- ASTM B432
- ASTM B543