Aluminum Silicon Bronze 642 / C642 / C64200
ASTM B150, AMS 4631C, AMS 4634, QQ-C-465Farmer’s Copper Ltd. maintains an inventory of C64200 aluminum silicon bronze. Copper alloy 642 is non-magnetic, has good fatigue, and is galling resistant. It has the highest machinability rating of bronzes and brasses without the addition of lead. C642’s combination of machinability, strength, hot forgeability, and wear and corrosion resistance make this a superior copper alloy.
Typical Applications for C64200
- Aircraft bushings
- Fasteners
- Marine industry
- Chemical processing equipment
Farmer’s Copper, established in 1920, continues to serve the metal industry. Our knowledgeable sales team is willing to assist you with your C642 needs, contact us today!
List of standard sizes for C64200
Round bar – ½” Dia. thru 6”
Available Shapes
|
Joining Technique |
Suitability |
|---|---|
|
Soldering |
Not Recommended |
|
Brazing |
Fair |
|
Oxyacetylene Welding |
Not Recommended |
|
Gas Shielded Arc Welding |
Fair |
|
Coated Metal Arc Welding |
Fair |
|
Spot Weld |
Fair |
|
Seam Weld |
Fair |
|
Butt Weld |
Fair |
|
Capacity for Being Cold Worked |
Poor |
|
Capacity for Being Hot Formed |
Excellent |
|
Forgeability Rating |
80 |
|
Machinability Rating |
60 |
ASTM Standard Designation for C64200: ASTM B150
AMS Standard Designation for C64200: AMS 4631c
Federal Specifications for C64200: QQ-C-465
|
|
Cu(1) |
Al |
As |
Fe |
Pb |
Mn |
Ni(2) |
Si |
Sn |
Zn |
|---|---|---|---|---|---|---|---|---|---|---|
|
Min./Max. |
Rem. |
6.3-7.6 |
.09 |
.30 |
.05 |
.10 |
.25 |
1.5-2.2 |
.20 |
.50 |
|
Nominal |
91.2 |
7.0 |
- |
- |
- |
- |
- |
1.8 |
- |
- |
Contact one of our sales representatives today
to inquire about a quote from Farmers Copper
or call us today at (800) 231-9450
