Dec 11 2012
Muntz metal UNS C28000 has a copper content of not less than 59%.
The following table shows the mechanical properties of UNS C28000 flat products as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
Shear Str. |
B |
C |
F |
30T |
M20 |
1mm. (0.04 in.) |
372MPa (54ksi) |
145MPa (21ksi) |
45% |
- |
- |
85 |
49 |
276MPa (40ksi) |
H00 |
1mm. (0.04 in.) |
414MPa (60ksi) |
241MPa (35ksi) |
30% |
55 |
- |
- |
54 |
290MPa (42ksi) |
H02 |
1mm. (0.04 in.) |
483MPa (70ksi) |
345MPa (50ksi) |
10% |
75 |
- |
- |
67 |
303MPa (44ksi) |
O60
| 1mm. (0.04 in.) |
372MPa (54ksi) |
145MPa (21ksi) |
45% |
- |
- |
80 |
46 |
276MPa (40ksi) |
Equivalent materials to UNS C28000 copper alloy are given below:
- ASME SB111
- ASTM B111
- ASTM B135
The chemical composition of UNS C28000 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
59-63 |
Lead, Pb |
0.09 |
Iron, Fe |
0.07 |
Zinc, Zn |
Remainder |