Nov 30 2012
Manganese brass UNS C66900 has a copper content of not less than 62.5%.
The following table shows the mechanical properties of UNS C66900 flat products as a function of heat treatment.
Temper |
Tensile Str. |
Elong. |
Rockwell |
B |
C |
F |
30T |
H01 |
455MPa (66ksi) |
26% |
65 |
- |
- |
60 |
H02 |
503MPa (73ksi) |
16% |
79 |
- |
- |
71 |
H03 |
572MPa (83ksi) |
7% |
86 |
- |
- |
75 |
H04 |
614MPa (89ksi) |
5% |
88 |
- |
- |
77 |
H06 |
655MPa (95ksi) |
3% |
90 |
- |
- |
78 |
H08 |
690MPa (100ksi) |
3% |
92 |
- |
- |
79 |
H10 |
690MPa (100ksi) |
1% |
92 |
- |
- |
79 |
The chemical composition of UNS C66900 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
62.5-64.5 |
Manganese, Mn |
11.5-12.5 |
Iron, Fe |
0.25 |
Lead, Pb |
0.05 |
Zinc, Zn |
Remainder |