ASTM B505
- Building
- Industry
- Plumbing
- Fasteners
Typical Uses
Low Pressure Valves, Bushings, Fittings for Oil Lines, Builders Hardware General Hardware, Pipe Fittings, Unions, Industrial Small Pump Castings, Small Gears, Fittings for Gas Lines, Plumbing Tees, Plugs, Elbows, Couplings
C84200
Chemical Composition
|
Cu |
Al |
Sb |
Fe |
Pb |
Ni* |
P |
Si |
S |
Sn |
Zn |
Min/Max |
78.0-82.0 |
0.005 |
0.25 |
0.40 |
2.0-3.0 |
0.80 |
1.5 |
0.005 |
0.08 |
4.0-6.0 |
10.0-16.0 |
* Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.3% min.
Applicable Specifications
* ASTM B505
* SAE J461, SAE J462
Fabrication Processes
* Continuous Casting
Fabrication Properties
Joining Technique |
Suitability |
Soldering |
Excellent |
Brazing |
Good |
Oxyacetylene Welding |
Not Recommended |
Gas Shielded Arc Welding |
Not Recommended |
Coated Metal Arc Welding |
Fair |
Machinability Rating |
84 |
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 |
32 |
221 |
16 |
110 |
13 |
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 |
1820 F |
993 C |
Melting Point – Solidus |
1540 F |
838 C |
Density |
0.311 lb/in3 at 68 F |
8.61 gm/cm3 at 20 C |
Specific Gravity |
8.61 |
8.61 |
Electrical Resistivity |
63.3 ohms-cmil/ft at 68 F |
10.53 microhm-cm at 20 C |
Electrical Conductivity |
15 %IACS at 68 F |
0.087 MegaSiemens/cm at 20 C |
Thermal Conductivity |
41.8 Btu · ft/(hr · ft2·°F) at 68 F |
72.4 W/m ·°K at 20 C |
Coefficient of Thermal Expansion |
10.0·10-6 per °F (68-392 F) |
18.0·10-6 per °C (20-200 C) |
Specific Heat Capacity |
0.09 Btu/lb/°F at 68 F |
377.1 J/kg · °K at 20 C |
Modulus of Elasticity in Tension |
14000 ksi |
96500 MPa |
Magnetic Permeability |
1.0 |
1.0 |