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ASTM B505, SAE J461, SAE J462

  • Architecture
  • Building
  • Marine
  • Industry
  • Plumbing
  • Fasteners
  • Electrical

Typical Uses

High aqueous and atmospheric corrosion resistance, Hardware, Electrical Switches, Electrical Components, Bushings, Railroad Catenary Fittings, Pump Fixtures, Air-Gas-Water Fittings, Valves, Plumbing, moderate strength and electrical conductivity, valves, pumps, plumbing and boat hardware


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


Chemical Composition


* 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 TechniqueSuitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingFair
Machinability Rating84

Mechanical Properties (ASTM B505)

Tensile Strength, minAYield Strength, at 0.5% Extension Under Load, minAElongation in 2 in.
or 50 mm, min, %

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 CustomaryMetric
Melting Point – Liquidus1840 F1004 C
Melting Point – Solidus1550 F843 C
Density0.312 lb/in3 at 68 F8.64 gm/cm3 at 20 C
Specific Gravity8.648.64
Electrical Resistivity69.1 ohms-cmil/ft at 68 F11.49 microhm-cm at 20 C
Electrical Conductivity15 %IACS at 68 F0.087 MegaSiemens/cm at 20 C
Thermal Conductivity41.8 Btu · ft/(hr · ft2·°F) at 68 F72.4 W/m ·°K at 20 C
Coefficient of Thermal Expansion10.0·10-6 per °F (68-392 F)18.0·10-6 per °C (20-200 C)
Specific Heat Capacity0.09 Btu/lb/°F at 68 F377.1 J/kg · °K at 20 C
Modulus of Elasticity in Tension13300 ksi91700 MPa
Magnetic Permeability1.01.0