EN
HE
FR
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
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 Round : | 1/2" - 2" |
 Bar Length : | 10ft - 12ft |
Product availabillity
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 |