ASTM B505
- Building
- Industry
- Plumbing
Typical Uses
Builders Hardware Stops, Washers, General Hardware, Hardware, Industrial Fittings, Low Pressure Valves, Gas Line Fittings, Air Line Fittings, Plumbing Cocks, Faucets, Plumbing Fittings, Plumbing Fixtures
C84800
Chemical Composition
|
Cu |
Al |
Sb |
Fe |
Pb |
Ni* |
P |
Si |
S |
Sn |
Zn |
Min/Max |
75.0-77.0 |
0.005 |
0.25 |
0.40 |
5.50-7.0 |
1.0 |
1.5 |
0.005 |
0.08 |
2.00-3.00 |
13.0-17.0 |
* Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.3% min.
Applicable Specifications
* ASTM B505
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 |
80 |
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 |
30 |
207 |
15 |
103 |
16 |
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 |
|
|
|
Density |
0.319 lb/in3 at 68 F |
8.69 gm/cm3 at 20 C |
Specific Gravity |
8.69 |
8.69 |
Electrical Resistivity |
63.3 ohms-cmil/ft at 68 F |
10.53 microhm-cm at 20 C |
Electrical Conductivity |
16.00 %IACS at 68 F |
0.095 MegaSiemens/cm at 20 C |
Thermal Conductivity |
41.6 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 |
15000 ksi |
89600 MPa |
Magnetic Permeability |
1.0 |
1.0 |