ASTM B505
- Industrial
- Electrical
- Marine
Typical Uses
Builders Hardware Window Hardware, Consumer Musical Instruments, Piano Keys, Electrical Electrical Hardware, Fasteners Stuffing Box Nuts, Industrial Machine Parts, Glass Molds, Welding Jaws, Wear Plates, Air Craft Components, Pickling Equipment, Valve Guides, Piston Guides, Valve Seats, Pump Fluid Ends, Glands, Worms, Worms Wheels, Hot Mill Guides, Landing Gear Parts, Sewage Treatment Applications, Valve Components, Bearings, Gears, Bushings, Valve Bodies, Landing Gear Parts, Hand Gun Recoil Mechanisms, Marine Ship Building, Covers for Marine Hardware, Marine Applications, Marine Hardware, Ordnance Government Fittings
C-95500
Chemical Composition
(%max, unless shown as range or min)
| Cu | Al | Fe | Mn | Ni* |
| Min/Max | 78.0 min | 10.0-11.5 | 3.0-5.0 | 3.5 | 3.0-5.5 |
* Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min.
Applicable Specifications
* ASTM B505
Fabrication Processes
* Continuous Casting
Fabrication Properties
| Joining Technique | Suitability |
| Soldering | Good |
| Brazing | Fair |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Good |
| Coated Metal Arc Welding | Good |
| Machinability Rating | 50 |
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 |
| 95 | 655 | 42 | 290 | 10 |
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 | 1930 F | 1054 C |
| Melting Point – Solidus | 1900 F | 1038 C |
| Density | 0.272 lb/in3 at 68 F | 7.53 gm/cm3 at 20 C |
| Specific Gravity | 7.53 | 7.53 |
| Electrical Resistivity | 122.80 ohms-cmil/ft at 68 F | 20.41 microhm-cm at 20 C |
| Electrical Conductivity | 8 %IACS at 68 F | 0.049 MegaSiemens/cm at 20 C |
| Thermal Conductivity | 24.20 Btu · ft/(hr · ft2·°F) at 68 F | 41.9 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 | 0.10 Btu/lb/°F at 68 F | 419.0 J/kg · °K at 20 C |
| Modulus of Elasticity in Tension | 16000 ksi | 110000 MPa |
| Magnetic Permeability* | 1.2 | 1.2 |
| Magnetic Permeability** | 1.32 | 1.32 |
* TQ 50 Temper, Field Strength 16 kA/m
** As Cast, Field Strength 16 kA/m
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