Tin Bronze
Farmer’s Copper Ltd. keeps a regular stock of Tin Bronze C90300 in solid bar form. C90300 offers good mechanical and corrosion resistance; it’s often used in castings for liquid and gas, not to mention valves and pumps. In addition to the many qualities C903 possesses, it offers a high wear resistance making it an ideal candidate to many jobs. Copper Alloy 903 offers a machinability rating of 30 and cannot be strengthened by heat treatment.
Typical Applications for C90300
- Seal rings
- Bushings
- Bearings
- Valve Components
Farmer’s Copper Ltd. continues to serve the metal industry as it has for over 90 years. Contact one of our knowledgeable sales representatives to inquire about your tin bronze 903 needs!
|
Joining Technique |
Suitability |
|---|---|
|
Soldering |
Excellent |
|
Brazing |
Good |
|
Oxyacetylene Welding |
Fair |
|
Gas Shielded Arc Welding |
Fair |
|
Coated Metal Arc Welding |
Fair |
|
Machinability Rating |
30 |
ASTM Standard Designation for C90300: ASTM B505
|
|
Cu(1) |
Al |
Sb |
Fe |
Pb |
Ni(2) |
P(3) |
Si |
S |
Sn |
Zn |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Min./Max. |
86.0-89.0 |
.005 |
.20 |
.20 |
.30 |
1.0 |
.05 |
.005 |
.05 |
7.5-9.0 |
3.0-5.0 |
|
Nominal |
87.5 |
- |
- |
- |
- |
- |
- |
- |
- |
8.3 |
4.0 |
