ASTM B505
- Aerospace
- Marin
- Oil & Gas
- Industrial
Typical Uses
Bearing brushes and landing gear components on aircraft’s, engine components, underwater fastenings in naval architecture, ship propellers, general sea water-related service, water supply industry, oil and petrochemical industries, specialized anti-corrosive applications and certain structural retrofit building applications, Automotive Weld Guns, Fastenerss Nuts, Large Hold Down Screws, Industrial Pickling Hooks, Bearings, Pawl, Worm Gears, Machine Parts, Spur Gears, Heavily Loaded Worm Gears, Pump Parts, Landing Gear Parts, Valve Bodies, Valve Guides, Valve Seats, Bearing Segments for the Steel Industry, Pressure Blocks for the Steel Industry, High Strength Clamps, Bushings, Valves, Gears, Marine Ship Building, Covers for Marine Hardware, Ordinance Government Fittings
C-95400
Chemical Composition
(%max, unless shown as range or min)
| Cu | Al | Fe | Mn | Ni* |
| Min/Max | 83.0 min | 10.0-11.5 | 3.0-5.0 | 0.5 | 1.5 |
* Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min.
Applicable Specifications
* ASTM B505
* SAE J461, SAE J462
Fabrication Processes
* Continuous Casting
Fabrication Properties
| Joining Technique | Suitability |
| Soldering | Good |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Good |
| Coated Metal Arc Welding | Good |
| Machinability Rating | 60 |
Mechanical Properties (ASTM B505)
| Tensile Strength, minA | Yield Strength, at 0.5% Extension Under Load, minA | Elongation in 2 in.
or 50 mm, min, % |
| ksi | MPa | ksi | MPa |
| 85 | 586 | 32 | 221 | 12 |
A Minimum tensile strength and yield strength shall be reduced 10% for cast bars having a cross section, thickness, diameter, or wall of 4 in. (102 mm) or more. The cross sections are the diameter of a round solid, the distance across the flats of a solid hexagon, the thickness of a rectangle, and the wall thickness of a tube.
Physical Properties
| US Customary | Metric |
| Melting Point – Liquidus | 1900 F | 1038 C |
| Melting Point – Solidus | 1880 F | 1027 C |
| Density | 0.269 lb/in3 at 68 F | 7.45 gm/cm3 at 20 C |
| Specific Gravity | 7.45 | 7.45 |
| Electrical Resistivity | 80.2 ohms-cmil/ft at 68 F | 13.33 microhm-cm at 20 C |
| Electrical Conductivity | 13 %IACS at 68 F | 0.075 MegaSiemens/cm at 20 C |
| Thermal Conductivity | 33.9 Btu · ft/(hr · ft2·°F) at 68 F | 58.7 W/m ·°K at 20 C |
| Coefficient of Thermal Expansion | 9.0·10-6 per °F (68-572 F) | 16.2·10-6 per °C (20-300 C) |
| Specific Heat Capacity | 0.1 Btu/lb/°F at 68 F | 419.0 J/kg · °K at 20 C |
| Modulus of Elasticity in Tension | 15500 ksi | 107000 MPa |
| Magnetic Permeability* | 1.2 | 1.2 |
| Magnetic Permeability** | 1.27 | 1.27 |
* TQ 50 Temper, Field Strength 16 kA/m
** As Cast, Field Strength 16 kA/m
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