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C17450
| Elements | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cu(1,2) | Sn | Fe | Ni | Al | Be | Si | Zr | |
|
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag. |
||||||||
| Min (%) | 0.50 | 0.15 | ||||||
| Max (%) | Rem | 0.25 | 0.20 | 1.0 | 0.20 | 0.50 | 0.20 | 0.50 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
Rockwell B scale |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Flat Products | 1/2 Hard and Precipitation Heat Treated | TH02 |
100 Typ |
85 Typ |
15 Typ |
93 Typ |
| Rod | 1/2 Hard and Precipitation Heat Treated | TH02 |
100 Typ |
85 Typ |
15 Typ |
93 Typ |
| Melting Point - Liquidus°F | 1960 |
|---|---|
| Melting Point - Solidus°F | 1885 |
| Densitylb/cu in. at 68°F | 0.323 |
| Specific Gravity | 8.94 |
| Electrical Conductivity% IACS at 68°F | 45 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 128 |
| Modulus of Elasticity in Tensionksi | 20000 |
| Technique | Suitability |
|---|---|
| Soldering | Good |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Fair |
| Spot Weld | Good |
| Seam Weld | Fair |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Excellent |
Common Fabrication Processes
No fabrication process properties for this alloy
| Treatment | Minimum* | Maximum* | Time** | Medium |
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. ** Time is measured in minutes. | ||||
| Hot Working Temperature | 1200 | 1750 | ||
| Solution Treatment | 1550 | 1700 | 1 | Water |
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Fuse Clips | Conductivity (Electrical) | Electrical Conductivity |
| Fuse Clips | Forming Characteristics | Formability | |
| Lead Frames | Conductivity (Electrical) | Electrical Conductivity | |
| Lead Frames | Mechanical Properties | Strength | |
| Resistance welding electrodes | Conductivity (Electrical) | Electrical Conductivity | |
| Resistance welding electrodes | Mechanical Properties | Strength | |
| Resistance welding electrodes | Welding Characteristics | Weldability | |
| Springs, current and signal carrying | Conductivity (Electrical) | Electrical Conductivity | |
| Springs, current and signal carrying | Forming Characteristics | Formability | |
| Springs, current and signal carrying | Mechanical Properties | Endurance Limit, High | |
| Springs, current and signal carrying | Mechanical Properties | Fatigue Strength | |
| Springs, current and signal carrying | Mechanical Properties | Strength, High | |
| Switch blades | Conductivity (Electrical) | Electrical Conductivity | |
| Switch blades | Conductivity (Thermal) | Thermal Conductivity | |
| Switch blades | Corrosion Resistance | Corrosion Resistance | |
| Switch blades | Forming Characteristics | Formability, Good | |
| Switch blades | Heat Treatability | Heat Treatable | |
| Switch blades | Mechanical Properties | Fatigue Resistance | |
| Switch blades | Mechanical Properties | High Endurance Limit | |
| Switch blades | Mechanical Properties | High Strength | |
| Switch blades | Thermal Properties | Resistance to Stress Relaxation | |
| Industrial | Bearing, sleeve | Bearing Properties | Abrasion Resistance |
| Bearing, sleeve | Bearing Properties | Non-galling | |
| Bearing, sleeve | Mechanical Properties | Load Bearing | |
| Bellows | Corrosion Resistance | Corrosion Resistance | |
| Bellows | Heat Treatability | Heat Treatable | |
| Bellows | Mechanical Properties | Strength, High | |
| Contacts | Conductivity (Electrical) | Electrical Conductivity | |
| Contacts | Forming Characteristics | Formability | |
| Contacts | Mechanical Properties | Endurance Limit, High | |
| Diaphrams | Mechanical Properties | Ductility | |
| Diaphrams | Mechanical Properties | Strength | |
| Diaphrams | Stress Relaxation | Stress Relaxation Resistance | |
| Plastic molding tooling | Appearance | Color | |
| Plastic molding tooling | Corrosion Resistance | Corrosion Resistance | |
| Plastic molding tooling | Friction & Wear Properties | Wear Resistance | |
| Plastic molding tooling | Machining Characteristics | Machinability | |
| Plastic molding tooling | Mechanical Properties | Strength | |
| Plunger tips, die casting | Conductivity (Thermal) | Thermal Conductivity | |
| Plunger tips, die casting | Friction & Wear Properties | Abrasion Resistance | |
| Plunger tips, die casting | Friction & Wear Properties | Wear Resistance | |
| Plunger tips, die casting | Machining Characteristics | Machinability | |
| Springs, mechanical | Mechanical Properties | Ductility | |
| Springs, mechanical | Mechanical Properties | Stiffness | |
| Springs, mechanical | Mechanical Properties | Strength | |
| Springs, mechanical | Stress Relaxation | Stress Relaxation Resistance |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Sheet & Strip | ASTM | B768 | COPPER-COBALT-BERYLLIUM 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.