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C50725
| Elements | ||||||
|---|---|---|---|---|---|---|
| Cu(1) | Pb | Sn | Zn | Fe | P | |
|
(1) Cu + Sum of Named Elements 99.5% min. |
||||||
| Min (%) | 94.0 | 1.5 | 1.5 | 0.05 | 0.02 | |
| Max (%) | 0.02 | 2.5 | 3.0 | 0.20 | 0.06 | |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Vickers Hardness, 500 gm | Fatigue Strength** (ksi) |
Proportional Limit (ksi) |
Section Size (in) |
|---|---|---|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106. | |||||||||
| Flat Products | 1/2 Hard | H02 |
74 Typ |
73 Typ |
12 Typ |
169 Typ |
74 Typ | 0.01 | |
| Extra Hard | H06 |
94 Typ |
92 Typ |
9 Typ |
206 Typ |
29 Typ | 84 Typ | ||
| Hard | H04 |
87 Typ |
85 Typ |
9 Typ |
193 Typ |
26 Typ | 78 Typ | ||
| Soft Anneal | O60 |
56 Typ |
38 Typ |
41 Typ |
106 Typ |
||||
| Melting Point - Liquidus°F | 1978 |
|---|---|
| Melting Point - Solidus°F | 1904 |
| Densitylb/cu in. at 68°F | 0.322 |
| Specific Gravity | 8.91 |
| Electrical Conductivity% IACS at 68°F | 33 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 87 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.7 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tensionksi | 16400 |
| Modulus of Rigidityksi | 6400 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Fair |
| Gas Shielded Arc Welding | Good |
| Coated Metal Arc Welding | Fair |
| Spot Weld | Good |
| Butt Weld | Excellent |
| Capacity for Being Cold Worked | Good |
| Capacity for Being Hot Formed | Poor |
| Machinability Rating | 30 |
Common Fabrication Processes
No fabrication process properties for this alloy
Thermal Properties
No thermal properties for this alloy
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Automotive | Automotive wiring harnesses | Conductivity (Electrical) | Electrical Conductivity |
| Automotive wiring harnesses | Mechanical Properties | Ductility | |
| Electrical | Contacts | Conductivity (Electrical) | Electrical Conductivity, High |
| Contacts | Mechanical Properties | High Modulus of Elasticity | |
| Contacts | Mechanical Properties | Strength, High | |
| Contacts | Plating Characteristics | Electro-migration in Water, Excellent Resistance to | |
| IC-Lead frames | Conductivity (Electrical) | Electrical Conductivity, High | |
| IC-Lead frames | Mechanical Properties | Elastic Modulus, High | |
| IC-Lead frames | Mechanical Properties | Strength, High | |
| IC-Lead frames | Plating Characteristics | Electro-migration in Water, Excellent Resistance to | |
| Springs | Conductivity (Electrical) | Electrical Conductivity, High | |
| Springs | Mechanical Properties | Elastic Modulus, High | |
| Springs | Mechanical Properties | Strength, High | |
| Springs | Plating Characteristics | Electro-migration in Water, Excellent Resistance to | |
| Terminals | Conductivity (Electrical) | Electrical Conductivity, High | |
| Terminals | Mechanical Properties | Elastic Modulus, High | |
| Terminals | Mechanical Properties | Strength, High | |
| Terminals | Plating Characteristics | Electro-migration in Water, Excellent Resistance to |
Applicable Specifications
No applicable specifications for this alloy
Corrosion Properties
No Corrosion Properties Available.