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  • Architecture
  • General Engineering
  • Consumer Products

Typical Uses

Elevator Trim, Thresholds, Door Frames, Handrails, Terrazzo Strip, Shower Doors, Privacy Sun Grills, Trim, Store Fronts, Architectural Forgings, Extrusions, Architectural Moldings, Window Mullions, Bathroom Partition Brackets Builders Hardware Hinges, Drawer Pulls, Lock Cams, Butts, Slide Bolts, Lock Bodies, Drawer Handles

Picture Frames, Funeral Urns, Lamps, Fireplace Screens, Straight Edges, Handles, Hot Combs (to Straighten Hair), Squeegee Retainers

Valve Trim, Press Brake Ram Clamps, Valve Stems, Valves, Gauges, Valve Seats, Forgings, Wheeled Racks Ordnance Gun Sights

Hexagonal : 3/8" - 2"
Round : 3/8" - 3"
Bar Length : 10ft - 12ft
Rectangle : W: 1/2" - 4"
Square : 3/8" - 1.5"
Profile : According to customers drawing
Product availabillity


Chemical Composition

(%max, unless shown as range or min)


Note: Cu + Sum of Named Elements, 99.5% min.

Applicable Specifications

* ASTM B455

Fabrication Processes

* Hot Forging and Pressing
* Hot Forming and Bending
* Machining

Fabrication Properties

Joining TechniqueSuitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Spot WeldNot Recommended
Seam WeldNot Recommended
Butt WeldFair
Capacity for Being Cold WorkedPoor
Capacity for Being Hot FormedExcellent
Machinability Rating90

Mechanical Properties

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation in 2 in (50.8 mm), min, %

Physical Properties

US CustomaryMetric
Melting Point – Liquidus1630 F888 C
Melting Point – Solidus1610 F877 C
Density0.306 lb/in3 at 68 F8.47 gm/cm3 at 20 C
Specific Gravity8.478.47
Electrical Resistivity37.0 ohms-cmil/ft at 68 F6.15 microhm-cm at 20 C
Electrical Conductivity28 %IACS at 68 F0.164 MegaSiemens/cm at 20 C
Thermal Conductivity71.0 Btu · ft/(hr · ft2·°F) at 68 F122.9 W/m ·°K at 20 C
Coefficient of Thermal Expansion11.6·10-6 per °F (68-572 F)20.9·10-6 per °C (20-300 C)
Specific Heat Capacity0.09 Btu/lb/°F at 68 F377.1 J/kg · °K at 20 C
Modulus of Elasticity in Tension14000 ksi96500 MPa
Modulus of Rigidity5300 ksi36540 MPa