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C73500
| Elements | ||||||
|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Zn | Fe | Ni(3) | Mn | |
|
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag. (3) Ni value includes Co. |
||||||
| Min (%) | 70.5 | 16.5 | ||||
| Max (%) | 73.5 | 0.09 | Rem | 0.25 | 19.5 | 0.50 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||
| Flat Products | 1/2 Hard | H02 |
69 Typ |
58 Typ |
| 1/4 Hard | H01 |
63 Typ |
48 Typ |
|
| Extra Hard | H06 |
84 Typ |
81 Typ |
|
| Hard | H04 |
78 Typ |
74 Typ |
|
| Nominal Grain Size 0.015 mm | OS015 |
57 Typ |
27 Typ |
|
| Nominal Grain Size 0.035 mm | OS035 |
55 Typ |
26 Typ |
|
| Melting Point - Liquidus°F | 2075 |
|---|---|
| Melting Point - Solidus°F | 1995 |
| Densitylb/cu in. at 68°F | 0.318 |
| Specific Gravity | 8.8 |
| Electrical Conductivity% IACS at 68°F | 6.5 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 21 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 8.9 |
| Modulus of Elasticity in Tensionksi | 18000 |
| Modulus of Rigidityksi | 6800 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Good |
| Seam Weld | Poor |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Poor |
| Machinability Rating | 20 |
Common Fabrication Processes
No fabrication process properties for this alloy
| Treatment | Minimum* | Maximum* | ||
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Annealing | 1000 | 1500 | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Consumer | Coinage | Appearance | Color |
| Coinage | Corrosion Resistance | Oxidation Resistance | |
| Fashion jewelry | Appearance | Appearance | |
| Fashion jewelry | Forming Characteristics | Formability | |
| Fashion jewelry | Plating Characteristics | Base for Gold Plate | |
| Flatware | Appearance | Color | |
| Flatware | Mechanical Properties | Ductility | |
| Hollowware | Machining Characteristics | Machinability | |
| Hollowware | Mechanical Properties | Strength | |
| Medallions | Appearance | Color | |
| Medallions | Corrosion Resistance | Corrosion Resistance | |
| Medallions | Forming Characteristics | Coinability | |
| Medallions | Mechanical Properties | High Strength | |
| Optical goods | Appearance | Color | |
| Optical goods | Mechanical Properties | Strength | |
| Zippers | Corrosion Resistance | Corrosion Resistance | |
| Zippers | Friction & Wear Properties | Wear Resistance | |
| Hardware | Name plates | Appearance | Color |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Bar | ASTM | B122/B122M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR | ||
| Plate | ASTM | B122/B122M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR | ||
| Sheet | ASTM | B122/B122M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR | ||
| Strip | ASTM | B122/B122M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR |
Corrosion Properties
No Corrosion Properties Available.