C67410
High-Strength Manganese Bronze
Wrought high-strength manganese bronze for heavy loads at slow speeds. The wrought counterpart to cast C86300 for wear plates and gibs.
Tensile Strength
90–110 ksi
Yield Strength
55–75 ksi
Machinability
25 / 100
Density
0.296 lb/in³
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | 57 | 60 |
| Zinc (Zn) | — | Remainder |
| Manganese (Mn) | 2 | 3.5 |
| Aluminum (Al) | 1 | 2 |
| Silicon (Si) | 0.5 | 1.5 |
| Iron (Fe) | — | 0.35 |
Physical Properties
| Density | 0.296 lb/cu in |
|---|---|
| Specific Gravity | 8.19 |
| Melting Point (Solidus) | 1590°F |
| Melting Point (Liquidus) | 1630°F |
| Electrical Conductivity | 18% IACS |
Mechanical Properties
| Tensile Strength | 90–110 ksi |
|---|---|
| Yield Strength | 55–75 ksi |
| Elongation | 5–15% |
| Hardness | 85–95 Rockwell B |
| Machinability Rating | 25 |
Thermal Properties
| Thermal Conductivity | 45 Btu/ft·hr·°F |
|---|---|
| Coefficient of Expansion | 11.5 × 10⁻⁶ /°F |
| Specific Heat | 0.09 Btu/lb·°F |
Fabrication Properties
Soldering
Brazing
Oxyacetylene Welding
Gas Shielded Arc
Coated Metal Arc
Cold Working
Hot Forming
Typical Applications
- Wear plates and gibs
- Slides and ways
- Heavy-load bushings
- Die components
- Forged wear parts
- Machine tool components
Applicable Specifications
- SAE J461
- SAE J463
Frequently Asked Questions
Common questions about C67410 High-Strength Manganese Bronze specifications, applications, and material properties.