ASTM B505
- Industrial
- Fasteners
- Marine
- Electrical
Typical Uses
Electrical Connectors, Pump Parts, Valves, Valve Seats, Acid Resistant Pumps, Bearings, Bushings, Gears, Plungers, Marine Hardware, Covers for Marine Hardware, Propellers, Marine Engines, Ordnance Gun Mountings, Gun Slides, Fasteners Nuts, Industrial Large Gear Parts, Pickling Tanks, Mild Alkali Applications, Hot Mill Guides, High Strength Clamps, Hydrant Parts, Welding Jaws, Pickling Equipment, Worm Wheels, Worms, Pump Rods, Valve Bodies, Wear Plates, Thrust Pads, Bearing Lin
C95200
Chemical Composition
(%max, unless shown as range or min)
| Cu | Al | Fe |
| Min/Max | 86.0 min | 8.50-9.5 | 2.5-4.0 |
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 | Excellent |
| 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 |
| 68 | 469 | 26 | 179 | 20 |
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 | 1913 F | 1045 C |
| Melting Point – Solidus | 1907 F | 1042 C |
| Density | 0.267 lb/in3 at 68 F | 7.64 gm/cm3 at 20 C |
| Specific Gravity | 7.64 | 7.64 |
| Electrical Resistivity | 94 ohms-cmil/ft at 68 F | 15.63 microhm-cm at 20 C |
| Electrical Conductivity | 11 %IACS at 68 F | 0.064 MegaSiemens/cm at 20 C |
| Thermal Conductivity | 29.1 Btu · ft/(hr · ft2·°F) at 68 F | 50.4 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 | 0.09 Btu/lb/°F at 68 F | 377.1J/kg · °K at 20 C |
| Modulus of Elasticity in Tension | 15000 ksi | 103400 MPa |
| Magnetic Permeability* | 1.1 | 1.2 |
| Poisson's Ratio | 0.31 | 0.31 |
* TQ 50 Temper, Field Strength 16 kA/m
** As Cast, Field Strength 16 kA/m
HE
EN
FR
