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C18020
Elements | |||||
---|---|---|---|---|---|
Cu(1,2) | Sn | Zn | Cr | Si | |
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.9% min. |
|||||
Min (%) | 0.05 | 0.10 | 0.10 | ||
Max (%) | Rem | 0.25 | 0.30 | 0.30 | 0.05 |
Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
---|---|---|---|---|---|
* Measured at room temperature, 68°F (20°C). | |||||
Flat Products | 1/2 Hard | H02 |
52 Min 58 Typ 64 Max |
48 Min 54 Typ 59 Max |
10 Min |
Hard | H04 |
70 Min 64 Typ 58 Max |
57 Min 62 Typ 68 Max |
5 Min |
Melting Point - Solidus°F | 1980 |
---|---|
Densitylb/cu in. at 68°F | 0.322 |
Specific Gravity | 8.91 |
Electrical Conductivity% IACS at 68°F | 81 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 191 |
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.4 |
Modulus of Elasticity in Tensionksi | 17500 |
Poisson's Ratio | 0.33 |
Technique | Suitability |
---|---|
Soldering | Excellent |
Brazing | Not Recommended |
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 | Not Recommended |
Capacity for Being Cold Worked | Good |
Capacity for Being Hot Formed | Good |
Common Fabrication Processes
- Forming and Bending
- Stamping
Thermal Properties
Product Category | Product | Reason Category | Reason |
---|---|---|---|
Electrical | Connector Components | Conductivity (Electrical) | Electrical Conductivity |
Connector Components | Conductivity (Thermal) | Thermal Conductivity | |
Connector Components | Corrosion Resistance | Corrosion Resistance | |
Connector Components | Creep Properties | Creep Resistant | |
Connector Components | Mechanical Properties | Moderate Strength | |
Connector Components | Softening Resistance | Resistance to Thermal Softening | |
Connector Components | Solderability | Solderability | |
Lead Frames |
Applicable Specifications
Corrosion Properties