Find suppliers for this alloy
C77000
| 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 (%) | 53.5 | 16.5 | ||||
| Max (%) | 56.5 | 0.05 | Rem | 0.25 | 19.5 | 0.50 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell B scale | Rockwell F scale | Rockwell 30T scale | Torsion Modulus (ksi) |
Section Size (in) |
Cold Work (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | |||||||||||
| Flat Products | Extra Hard | H06 |
108 Typ |
90 Typ |
2.5 Typ |
96 Typ |
80 Typ |
0.04 | |||
| Hard | H04 |
100 Typ |
85 Typ |
3 Typ |
91 Typ |
77 Typ |
6.8 Typ | 0.04 | |||
| Nominal Grain Size 0.035 mm | OS035 |
60 Typ |
27 Typ |
40 Typ |
55 Typ |
90 Typ |
0.04 | ||||
| Spring | H08 |
115 Typ |
2.5 Typ |
99 Typ |
81 Typ |
0.04 | |||||
| Wire | Hard | H04 |
145 Typ |
2 Typ |
0.08 | 68 | |||||
| Nominal Grain Size 0.035 mm | OS035 |
60 Typ |
40 Typ |
0.08 | |||||||
| Melting Point - Liquidus°F | 1930 |
|---|---|
| Densitylb/cu in. at 68°F | 0.314 |
| Specific Gravity | 8.7 |
| Electrical Conductivity% IACS at 68°F | 5.5 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 17 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.3 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| 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 | Fair |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Good |
| Capacity for Being Hot Formed | Poor |
| Machinability Rating | 30 |
Common Fabrication Processes
No fabrication process properties for this alloy
| Treatment | Minimum* | Maximum* | ||
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Annealing | 1100 | 1500 | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Resistance Wire | Conductivity (Electrical) | Low Conductivity |
| Springs | Conductivity (Thermal) | Thermal Conductivity | |
| Springs | Corrosion Resistance | Corrosion Resistance | |
| Springs | Mechanical Properties | High Strength | |
| Springs | Thermal Properties | Resistance to Stress Relaxation | |
| Industrial | Optical Goods | Appearance | Appearance |
| Optical Goods | Corrosion Resistance | Corrosion Resistance | |
| Optical Goods | Mechanical Properties | Moderate Strength |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Bar | SAE | J463 | WROUGHT COPPER AND COPPER ALLOYS | ||
| SAE | J461 | WROUGHT AND CAST COPPER ALLOYS | |||
| ASTM | B151/B151M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL ROD AND 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 | ||
| Rod | SAE | J461 | WROUGHT AND CAST COPPER ALLOYS | ||
| SAE | J463 | WROUGHT COPPER AND COPPER ALLOYS | |||
| ASTM | B151/B151M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL ROD AND BAR | |||
| Sheet | SAE | J461 | WROUGHT AND CAST COPPER ALLOYS | ||
| SAE | J463 | WROUGHT COPPER AND COPPER ALLOYS | |||
| ASTM | B122/B122M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR | |||
| Strip | SAE | J463 | WROUGHT COPPER AND COPPER ALLOYS | ||
| SAE | J461 | WROUGHT AND CAST COPPER ALLOYS | |||
| ASTM | B122/B122M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR | |||
| Wire | ASTM | B206/B206M | COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER WIRE) AND COPPER-NICKEL ALLOY WIRE |
Corrosion Properties
No Corrosion Properties Available.