Aluminum Bronze Alloy C62400
Copper Alloy No. C61400
Aluminum Bronze , ASTM B 171 CDA 614
Chemical Composition % by weight
Aluminum Bronze , ASTM B 171 CDA 614
Chemical Composition % by weight
| Element | Nominal | Minimum | Maximum |
| Copper | 86 | Rem. | Rem. |
| Iron | 3 | 2 | 4.5 |
| Tin | - | - | .20 |
| Aluminum | 11 | 10 | 11.5 |
| Manganese | - | - | .30 |
| Silicon | - | - | .25 |
Applications
Bushings, gears, cams, wear plates, nuts, drift pins, tie rods.
Common Fabrication Processes
Hot forging, hot bending, machining.
Mechanical Properties
Typical for 1" Rod Half Hard (10%) Temper
| Hardness* | Rockwell B Scales | 92 |
| Tensile Strength** | KSI | 105 |
| Yield Strength** (.5% EAU) | KSI | 52 |
| Elongation** | % in 2 inch | 14 |
**Test values are nominal approximations and depend on specimen size and orientation.
Physical Properties
| Thermal Conductivity | BTU/ (sq ft-ft-hr-F) | 34 |
| Specific Heat | BTU/lb/ºF @ 68F | .09 |
| Thermal Expansion | Per °F from 68 F to 572 F | .0000090 |
| Density | lb/cu in @ 68 F | .269 |
| Electrical Conductivity* (Annealed) | % IACS @ 68 F | 12 |
| Modulus of Elasticity (Tension) | KSI | 17,000 |
*Volume basis
Fabrication Properties
| Capacity for being cold worked | Poor |
| Capacity for being hot formed | Excellent |
| Machinability Rating (Free Cutting Brass=100) | 50 |
| Suitability for being joined by: | Soldering/Not Recommended |
| Brazing/Fair | |
| Oxyacetylene Welding/Not Recommended | |
| Gas Shielded Arc Welding/Good | |
| Coated Metal Arc Welding/Good | |
| Resistance Welding | Spot/Good |
| Seam/Good | |
| Butt/Good |