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CuPb4Sn4Zn4

ASTM B139

  • Electrical
  • Industrial

Typical Uses

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

מוטות עגולים : 1/2″ – 2″
אורך מוט : 10ft – 12ft
זמינות מוצר

C-54400

Chemical Composition

(%max, unless shown as range or min)

Cu Fe Pb P Sn Zn
Min/Max Rem 0.1 3.5-4.5 0.01-0.5 3.5-4.5 1.5-4.5

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

Products

* Rod

Fabrication Properties

Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Fair
Capacity for Being Cold Worked Good
Machinability Rating 80

Standard Temper Designation

* H04 – Hard

Mechanical Properties (ASTM B139)

Diameter or Distance Between
Parallel Surfaces, in. [mm.]		 Tensile Strength, minA Elongation,
min, %
ksi MPa
1/16 [1.6] to 1/4 [6] incl. 65 450 8
over 1/4 [6] to 1/2 [12] incl. 60 415 10
over 1/2 [12] to 1 [25] incl. 55 380 12
over 1 [25] 50 345 15

Physical Properties

US Customary Metric
Melting Point – Liquidus 1830 F 1000 C
Melting Point – Solidus 1700 F 930 C
Density 0.321 lb/in3 at 68 F 8.89 gm/cm3 at 20 C
Specific Gravity 8.89 8.89
Electrical Resistivity 54.6 ohms-cmil/ft at 68 F 9.07 microhm-cm at 20 C
Electrical Conductivity 19 %IACS at 68 F 0.111 MegaSiemens/cm at 20 C
Thermal Conductivity 50.0 Btu · ft/(hr · ft2·°F) at 68 F 87 W/m ·°K at 20 C
Coefficient of Thermal Expansion 9.6·10-6 per °F (68-572 F) 17.3·10-6 per °C (20-300 C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68 F 380 J/kg · °K at 20 C
Modulus of Elasticity in Tension 15000 ksi 103000 MPa
Modulus of Rigidity 5600 ksi 39000 MPa