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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

Bar Length : 10ft - 12ft
Rectangle : up to 11'' W
Square : up to 5''
Hexagonal : up to 3''
Hollow : 1"X1/2" - 11 1/2"X10 1/2"
Round : 3/8" - 11 3/4"
Product availabillity

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
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