Sep 27 2012
UNS C27000 yellow brass has a copper content of not less than 63%.
The following table shows the mechanical properties of UNS C27000 flat products as a function of heat treatment and thickness.
| Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
Shear Str. |
Fatigue Str. |
| B |
C |
F |
30T |
| H00 |
1 mm (0.04 in) |
345 MPa (50 ksi) |
241 MPa (35 ksi) |
50% |
50 |
- |
- |
50 |
- |
- |
| H01 |
1 mm (0.04 in) |
327 MPa (54 ksi) |
276 MPa (40 ksi) |
43% |
55 |
- |
- |
54 |
248 MPa (36 ksi) |
- |
| H02 |
1 mm (0.04 in) |
241 MPa (61 ksi) |
345 MPa (50 ksi) |
23% |
70 |
- |
- |
65 |
276 MPa (40 ksi) |
- |
| H04 |
1 mm (0.04 in) |
510 MPa (76 ksi) |
414 MPa (60 ksi) |
8% |
80 |
- |
- |
70 |
296 MPa (43 ksi) |
97 MPa (14 ksi) |
| H06 |
1 mm (0.04 in) |
586 MPa (85 ksi) |
427 MPa (62 ksi) |
3% |
87 |
- |
- |
74 |
310 MPa (45 ksi) |
- |
| H08 |
1 mm (0.04 in) |
627 MPa (91 ksi) |
427 MPa (62 ksi) |
3% |
90 |
- |
- |
76 |
324 MPa (47 ksi) |
138 MPa (20 ksi) |
| OS015 |
1 mm (0.04 in) |
365 MPa (53 ksi) |
152 MPa (22 ksi) |
54% |
- |
- |
78 |
43 |
- |
- |
| OS025 |
1 mm (0.04 in) |
352 MPa (51 ksi) |
131 MPa (19 ksi) |
55% |
- |
- |
72 |
36 |
- |
- |
| OS035 |
1 mm (0.04 in) |
338 MPa (49 ksi) |
117 MPa (17 ksi) |
57% |
- |
- |
68 |
31 |
234 MPa (34 ksi) |
- |
| OS050 |
1 mm (0.04 in) |
324 MPa (47 ksi) |
103 MPa (15 ksi) |
62% |
- |
- |
64 |
26 |
- |
- |
| OS070 |
1mm (0.04in) |
317 MPa (46 ksi) |
97 MPa (14 ksi) |
65% |
- |
- |
58 |
15 |
221 MPa (32 ksi) |
83 MPa (12 ksi) |
The chemical composition of UNS C27000 yellow brass is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
63-68.5 |
| Lead, Pb |
0.09 |
| Iron, Fe |
0.07 |
| Zinc, Zn |
Balance |
Equivalent materials to UNS C27000 copper alloy include:
- AMS 4710
- AMS 4712
- AMS 4713
- ASTM B134
- ASTM B135
- ASTM B587
- ASTM F467
- ASTM F468
- QQ W321
- SAE J461
- SAE J463