Jan 28 2013
Eco brass UNS C69300 has a copper content of not less than 73%.
The following table shows the mechanical properties of UNS C69300 rods as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
B |
C |
F |
30T |
H02 |
6.4mm (0.25in) |
786MPa (114ksi) |
421MPa (61ksi) |
- |
95 |
- |
- |
- |
|
6.4mm (0.25in) |
- |
- |
5% |
- |
- |
- |
- |
M30 |
38.1mm (1.5in) |
517MPa (75ksi) |
269MPa (39ksi) |
- |
79 |
- |
- |
- |
|
38.1mm (1.5in) |
- |
- |
15% |
- |
- |
- |
- |
|
50.8mm (2in) |
503MPa (73ksi) |
255MPa (37ksi) |
- |
77 |
- |
- |
- |
|
50.8mm (2in) |
- |
- |
15% |
- |
- |
- |
- |
The chemical composition of UNS C69300 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
73-77 |
Silicon, Si |
2.7-3.4 |
Nickel, Ni |
0.1 |
Iron, Fe |
0.1 |
Manganese, Mn |
0.1 |
Tin, Sn |
0.2 |
Lead, Pb |
0.09 |
Phosphorous, P |
0.04-0.15 |
Zinc, Zn |
Remainder |