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  • Industrial
  • Electrical
  • Marine

Typical Uses

Builders Hardware Window Hardware, Consumer Musical Instruments, Piano Keys, Electrical Electrical Hardware, Fasteners Stuffing Box Nuts, Industrial Machine Parts, Glass Molds, Welding Jaws, Wear Plates, Air Craft Components, Pickling Equipment, Valve Guides, Piston Guides, Valve Seats, Pump Fluid Ends, Glands, Worms, Worms Wheels, Hot Mill Guides, Landing Gear Parts, Sewage Treatment Applications, Valve Components, Bearings, Gears, Bushings, Valve Bodies, Landing Gear Parts, Hand Gun Recoil Mechanisms, Marine Ship Building, Covers for Marine Hardware, Marine Applications, Marine Hardware, Ordnance Government Fittings

Bar Length : 10ft - 12ft
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
Product availabillity


Chemical Composition

(%max, unless shown as range or min)

Min/Max78.0 min10.0-11.53.0-

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

Applicable Specifications

* ASTM B505

Fabrication Processes

* Continuous Casting

Fabrication Properties

Joining TechniqueSuitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Machinability Rating50

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 – Liquidus1930 F1054 C
Melting Point – Solidus1900 F1038 C
Density0.272 lb/in3 at 68 F7.53 gm/cm3 at 20 C
Specific Gravity7.537.53
Electrical Resistivity122.80 ohms-cmil/ft at 68 F20.41 microhm-cm at 20 C
Electrical Conductivity8 %IACS at 68 F0.049 MegaSiemens/cm at 20 C
Thermal Conductivity24.20 Btu · ft/(hr · ft2·°F) at 68 F41.9 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 Capacity0.10 Btu/lb/°F at 68 F419.0 J/kg · °K at 20 C
Modulus of Elasticity in Tension16000 ksi110000 MPa
Magnetic Permeability*1.21.2
Magnetic Permeability**1.321.32

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