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C61900
| Elements | ||||||
|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Sn | Zn | Fe | Al | |
|
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. |
||||||
| Min (%) | 3.0 | 8.5 | ||||
| Max (%) | Rem | 0.02 | 0.6 | 0.8 | 4.5 | 10.0 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell B scale | Rockwell 30T scale | Fatigue Strength** (ksi) |
Section Size (in) |
|---|---|---|---|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106. | ||||||||||
| Flat Products | 1/2 Hard | H02 |
104 Typ |
80 Typ |
21 Typ |
93 Typ |
78 Typ |
0.04 | ||
| Annealed | O61 |
92 Typ |
60 Typ |
49 Typ |
30 Typ |
72 Typ |
0.04 | |||
| Extra Spring | H10 |
137 Typ |
117 Typ |
3 Typ |
100 Typ |
84 Typ |
0.04 | |||
| Extra Spring and Stress Relieved | HR10 |
152 Typ |
145 Typ |
1 Typ |
0.04 | |||||
| Hard | H04 |
121 Typ |
102 Typ |
8 Typ |
98 Typ |
83 Typ |
0.04 | |||
| Hard Temper and Treated | HT04 |
135 Typ |
120 Typ |
2 Typ |
0.04 | |||||
| Spring | H08 |
130 Typ |
108 Typ |
4 Typ |
100 Typ |
83 Typ |
34 Typ | 0.04 | ||
| Spring Temper and Treated | HT08 |
145 Typ |
135 Typ |
1.5 Typ |
39 Typ | 0.04 | ||||
| Melting Point - Liquidus°F | 1920 |
|---|---|
| Melting Point - Solidus°F | 1905 |
| Densitylb/cu in. at 68°F | 0.271 |
| Specific Gravity | 7.5 |
| Electrical Conductivity% IACS at 68°F | 10.5 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 45.9 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.1 |
| Modulus of Elasticity in Tensionksi | 16000 |
| Technique | Suitability |
|---|---|
| Soldering | Fair |
| Brazing | Fair |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Excellent |
| Coated Metal Arc Welding | Good |
| Spot Weld | Good |
| Seam Weld | Good |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Fair |
| Capacity for Being Hot Formed | Excellent |
Common Fabrication Processes
- Bending
- Blanking
- Forming
- Shearing
- Stamping
| Treatment | Minimum* | Maximum* | ||
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Annealing | 1000 | 1450 | ||
| Hot Working Temperature | 1020 | 1520 | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Contacts | Conductivity (Electrical) | Electrical Conductivity |
| Contacts | Conductivity (Thermal) | Thermal Conductivity | |
| Contacts | Corrosion Resistance | Corrosion Resistance | |
| Contacts | Corrosion Resistance | Corrosion Resistance in Numerous Environments | |
| Contacts | Corrosion Resistance | Corrosion Resistance to Acids | |
| Contacts | Corrosion Resistance | Corrosion Resistance to Chemicals | |
| Contacts | Mechanical Properties | High Strength | |
| Springs | Corrosion Resistance | Corrosion Resistance | |
| Springs | Corrosion Resistance | Corrosion Resistance in Numerous Environments | |
| Springs | Corrosion Resistance | Corrosion Resistance to Acids | |
| Springs | Corrosion Resistance | Corrosion Resistance to Chemicals | |
| Springs | Mechanical Properties | Ductility | |
| Springs | Mechanical Properties | High Strength | |
| Switch Components | Conductivity (Electrical) | Electrical Conductivity | |
| Switch Components | Corrosion Resistance | Corrosion Resistance | |
| Switch Components | Corrosion Resistance | Corrosion Resistance to Acids | |
| Switch Components | Corrosion Resistance | Corrosion Resistance to Chemicals | |
| Marine | Marine Hardware | Corrosion Resistance | Corrosion Resistance |
| Marine Hardware | Corrosion Resistance | Corrosion Resistance (Excellent) | |
| Marine Hardware | Corrosion Resistance | Corrosion Resistance to Salt Water |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Bar | ASTM | B124/B124M | COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES | ||
| ASTM | B150/B150M | ALUMINUM BRONZE ROD, BAR AND SHAPES | |||
| Die | Forgings | ASTM | B283/B283M | COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED) | |
| Electrode | Welding | MILITARY | MIL-E-23765/3 | ELECTRODES, WELDING, BARE, COPPER AND COPPER ALLOY | |
| Forgings, Die (Hot Pressed) | ASME | SB283 | COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED) | ||
| Rod | ASTM | B124/B124M | COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES | ||
| Rod, Bar & Shapes | Aluminum Bronze | ASME | SB150 | ALUMINUM BRONZE ROD, BAR, AND SHAPES | |
| Aluminum Bronze | ASTM | B150/B150M | ALUMINUM BRONZE ROD, BAR AND SHAPES | ||
| Shapes | ASTM | B150/B150M | ALUMINUM BRONZE ROD, BAR AND SHAPES | ||
| ASTM | B124/B124M | COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES |
Corrosion Properties