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C19025
| Elements | ||||||
|---|---|---|---|---|---|---|
| Cu(1,2) | Sn | Zn | Fe | P | Ni | |
|
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.7% min. |
||||||
| Min (%) | 0.7 | 0.03 | 0.8 | |||
| Max (%) | Rem | 1.1 | 0.20 | 0.10 | 0.07 | 1.2 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
Vickers Hardness, 500 gm |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Flat Products | 1/2 Hard | H02 |
71 Typ |
70 Typ |
14 Typ |
150 Typ |
| 1/4 Hard | H01 |
58 Typ |
57 Typ |
25 Typ |
135 Typ |
|
| Extra Hard | H06 |
78 Min 83 Typ |
82 Typ |
4 Min 8 Typ |
176 Typ |
|
| Extra Spring | H10 |
97 Typ |
91 Typ |
6 Typ |
190 Min 210 Typ |
|
| Hard | H04 |
73 Min 77 Typ 83 Max |
76 Typ |
5 Min 10 Typ 14 Max |
155 Min 165 Typ 180 Max |
|
| Spring | H08 |
89 Typ |
86 Typ |
8 Typ |
190 Typ |
|
| Melting Point - Liquidus°F | 1976 |
|---|---|
| Densitylb/cu in. at 68°F | 0.322 |
| Specific Gravity | 8.9 |
| Electrical Conductivity% IACS at 68°F | 40 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 93 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.4 |
| Modulus of Elasticity in Tensionksi | 19000 |
| Modulus of Rigidityksi | 6200 |
Fabrication Properties
No fabrication properties for this alloy
Common Fabrication Processes
- Blanking
- Forming and Bending
- Stamping
Thermal Properties
No thermal properties for this alloy
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Electrical Connectors | Conductivity (Electrical) | Electrical Conductivity |
| IC and transistor lead frams | Conductivity (Electrical) | Electrical Conductivity | |
| Hardware | Springs | Brazing Characteristics | Brazability |
| Springs | Mechanical Properties | Fatigue Strength | |
| Springs | Mechanical Properties | Modulus | |
| Springs | Mechanical Properties | Strength |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Sheet & Strip | ASTM | B422/B422M | COPPER-ALUMINUM-SILICON-COBALT ALLOY AND COPPER-NICKEL-ALUMINUM-SILICON ALLOY SHEET AND STRIP | ||
| Strip | ASTM | B888/B88M | COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS |
Corrosion Properties
No Corrosion Properties Available.