ToughMet® Nickel Bronze 729 / C729 / C72900
Farmer’s Copper Ltd. maintains an extensive inventory of Brush Wellman spinodal alloy ToughMet 3 Copper Nickel Tin C729 (AT Temper) in rod form. Copper alloy 729 is an excellent alternative to nickel alloys, aluminum bronzes, and beryllium copper. C729 ToughMet alloys are anti-galling, free of lead and beryllium, and show excellent corrosion and stress corrosion cracking resistance in seawater applications. ToughMet (C72900) has exceptional high strength, excellent machinability, and is non-magnetic.
Typical Applications for C72900
- Drilling and mining equipment
- Aircraft bearings and bushings
- Pump parts
- Thrust washers
Farmer’s Copper Ltd. established in 1920, is always willing to meet the specifications set by our customers. Contact one of our knowledgeable sales teams to inquire about how we can meet your bronze needs!
List of standard sizes
Round rod – ½” Dia. thru 8 3/8”
|
Joining Technique |
Suitability |
|---|---|
|
Soldering |
Excellent |
|
Brazing |
Excellent |
|
Oxyacetylene Welding |
Good |
|
Gas Shielded Arc Welding |
Excellent |
|
Coated Metal Arc Welding |
Excellent |
|
Spot Weld |
Excellent |
|
Seam Weld |
Excellent |
|
Butt Weld |
Excellent |
|
Capacity for Being Cold Worked |
Excellent |
|
Capacity for Being Hot Formed |
Good |
ASTM Standard Designation for C72900: ASTM B251
|
|
Cu(1) |
Fe |
Pb(2) |
Mg |
Mn |
Ni(3) |
Nb |
Sn |
Zn |
|---|---|---|---|---|---|---|---|---|---|
|
Min./Max. |
Rem. |
.50 |
.02 |
.15 |
.30 |
14.5-15.5 |
.10 |
7.5-8.5 |
.50 |
|
Nominal |
77.0 |
- |
- |
- |
- |
15.0 |
- |
8.0 |
- |
Contact one of our sales representatives today
to inquire about a quote from Farmers Copper
or call us today at 800-231-9450
