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  • Aerospace
  • Marin
  • Oil & Gas
  • Industrial

Typical Uses

Bearing brushes and landing gear components on aircraft’s, engine components, underwater fastenings in naval architecture, ship propellers, general sea water-related service, water supply industry, oil and petrochemical industries, specialized anti-corrosive applications and certain structural retrofit building applications, Automotive Weld Guns, Fastenerss Nuts, Large Hold Down Screws, Industrial Pickling Hooks, Bearings, Pawl, Worm Gears, Machine Parts, Spur Gears, Heavily Loaded Worm Gears, Pump Parts, Landing Gear Parts, Valve Bodies, Valve Guides, Valve Seats, Bearing Segments for the Steel Industry, Pressure Blocks for the Steel Industry, High Strength Clamps, Bushings, Valves, Gears, Marine Ship Building, Covers for Marine Hardware, Ordinance Government Fittings

Square : up to 5''
Hollow : 1 1/2"X3/4" - 11 1/2"X10 1/2"
Round : 1" - 11 3/4"
Rectangle : up to 11'' W
Bar Length : 10ft - 12ft
Product availabillity


Chemical Composition

(%max, unless shown as range or min)

Min/Max83.0 min10.0-11.53.0-

* Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min.

Applicable Specifications

* ASTM B505
* SAE J461, SAE J462

Fabrication Processes

* Continuous Casting

Fabrication Properties

Joining TechniqueSuitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Machinability Rating60

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 – Liquidus1900 F1038 C
Melting Point – Solidus1880 F1027 C
Density0.269 lb/in3 at 68 F7.45 gm/cm3 at 20 C
Specific Gravity7.457.45
Electrical Resistivity80.2 ohms-cmil/ft at 68 F13.33 microhm-cm at 20 C
Electrical Conductivity13 %IACS at 68 F0.075 MegaSiemens/cm at 20 C
Thermal Conductivity33.9 Btu · ft/(hr · ft2·°F) at 68 F58.7 W/m ·°K at 20 C
Coefficient of Thermal Expansion9.0·10-6 per °F (68-572 F)16.2·10-6 per °C (20-300 C)
Specific Heat Capacity0.1 Btu/lb/°F at 68 F419.0 J/kg · °K at 20 C
Modulus of Elasticity in Tension15500 ksi107000 MPa
Magnetic Permeability*1.21.2
Magnetic Permeability**1.271.27

* TQ 50 Temper, Field Strength 16 kA/m
** As Cast, Field Strength 16 kA/m