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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
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