Request a Quote



  • Electrical
  • Industrial

Typical Uses

Industrial bushings, gears, pinions, screw machine products, thrust washers, valve parts, sleeve bearings, thrust bearings, bearings, shafts, Electrical electrical connector

Round : 1/2" - 2"
Bar Length : 10ft - 12ft
Product availabillity


Chemical Composition

(%max, unless shown as range or min)


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

Applicable Specifications

* ASTM B139
* SAE J463, SAE J461

Fabrication Processes

* Blanking, Drawing, Forming and Bending, Machining, Shearing, Stamping


* Rod

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 WorkedGood
Machinability Rating80

Standard Temper Designation

* H04 – Hard

Mechanical Properties (ASTM B139)

Diameter or Distance Between
Parallel Surfaces, in. [mm.]
Tensile Strength, minAElongation,
min, %
1/16 [1.6] to 1/4 [6] incl.654508
over 1/4 [6] to 1/2 [12] incl.6041510
over 1/2 [12] to 1 [25] incl.5538012
over 1 [25]5034515

Physical Properties

US CustomaryMetric
Melting Point – Liquidus1830 F1000 C
Melting Point – Solidus1700 F930 C
Density0.321 lb/in3 at 68 F8.89 gm/cm3 at 20 C
Specific Gravity8.898.89
Electrical Resistivity54.6 ohms-cmil/ft at 68 F9.07 microhm-cm at 20 C
Electrical Conductivity19 %IACS at 68 F0.111 MegaSiemens/cm at 20 C
Thermal Conductivity50.0 Btu · ft/(hr · ft2·°F) at 68 F87 W/m ·°K at 20 C
Coefficient of Thermal Expansion9.6·10-6 per °F (68-572 F)17.3·10-6 per °C (20-300 C)
Specific Heat Capacity0.09 Btu/lb/°F at 68 F380 J/kg · °K at 20 C
Modulus of Elasticity in Tension15000 ksi103000 MPa
Modulus of Rigidity5600 ksi39000 MPa