Demander d’ information

ASTM B139

  • Electrical
  • Industrial
  • Architecture

Typical Uses

Architecture, Bridge Bearing Plates, Electrical Switch Parts, Electromechanical Spring Components, Resistance Wire, Electrical Flexing Contact Blades, Electrical Connectors, Electronic Connectors, Wire Brushes, Electronic and Precision Instrument Parts, Fuse Clips, Fasteners, Lock Washers, Fasteners, Cotter Pins, Industrial Bellows, Textile Machinery, Perforated Sheets, Chemical Hardware, Truss Wire, Springs, Sleeve Bushings, Diaphragms, Clutch Disks, Bourdon Tubes, Beater Bar, Welding Rods, Pressure Responsive Elements

Solides ronde : 1/2″ – 2 1/2″
Bar Length : 10ft – 12ft
La disponibilité des produits

C-51000

Chemical Composition

(%max, unless shown as range or min)

Cu Fe Pb P Sn Zn
Min/Max Rem 0.10 0.05 0.03-0.35 4.2-5.8 0.30

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

Applicable Specifications

*ASTM B139

Fabrication Processes

* Blanking
* Drawing
* Forming and Bending
* Heading and Upsetting
* Roll Threading and Knurling
* Stamping

Fabrication Properties

Joining Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Fair
Spot Weld Good
Seam Weld Fair
Butt Weld Excellent
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Poor
Machinability Rating 20

Standard Temper Designation:

* H04 – Hard

Mechanical Properties

Diameter or Distance Between
Parallel Surfaces, in. [mm.]		 Tensile Strength, minA Elongation,
min, %
ksi MPa
1/4 [6] to 1/2 [12] incl. 70 485 13
over 1/2 [12] to 1 [25] incl. 60 415 15
over 1 [25] 55 380 18

Physical Properties

US Customary Metric
Melting Point – Liquidus 1920 F 1049 C
Melting Point – Solidus 1750 F 954 C
Density 0.32 lb/in3 at 68 F 8.86 gm/cm3 at 20 C
Specific Gravity 8.86 8.86
Electrical Resistivity 69.1 ohms-cmil/ft at 68 F 11.49 microhm-cm at 20 C
Electrical Conductivity* 15 %IACS at 68 F 0.088 MegaSiemens/cm at 20 C
Thermal Conductivity 40.0 Btu · ft/(hr · ft2·°F) at 68 F 69.2 W/m ·°K at 20 C
Coefficient of Thermal Expansion 9.9·10-6 per °F (68-572 F) 17.8·10-6 per °C (20-300 C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68 F 377.1 J/kg · °K at 20 C
Modulus of Elasticity in Tension 16000 ksi 110000 MPa
Modulus of Rigidity 6000 ksi 41370 MPa

* Determined on an alloy containing 5% tin and .2% phosphorus. This value will vary with the composition