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C68700
| Elements | ||||||
|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Zn | Fe | Al | As | |
|
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. |
||||||
| Min (%) | 76.0 | 1.8 | 0.02 | |||
| Max (%) | 79.0 | 0.07 | Rem | 0.06 | 2.5 | 0.06 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell F scale |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Tube | Nominal Grain Size 0.025 mm | OS025 |
60 Typ |
27 Typ |
55 Typ |
77 Typ |
| Melting Point - Liquidus°F | 1780 |
|---|---|
| Melting Point - Solidus°F | 1710 |
| Densitylb/cu in. at 68°F | 0.301 |
| Specific Gravity | 8.33 |
| Electrical Conductivity% IACS at 68°F | 23 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 58 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 10.3 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tensionksi | 16000 |
| Modulus of Rigidityksi | 6000 |
| Technique | Suitability |
|---|---|
| Soldering | Fair |
| Brazing | Good |
| Oxyacetylene Welding | Fair |
| 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 | Excellent |
| Capacity for Being Hot Formed | Fair |
| Machinability Rating | 30 |
Common Fabrication Processes
| Treatment | Minimum* | Maximum* | ||
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Annealing | 800 | 1100 | ||
| Hot Working Temperature | 1400 | 1600 | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Industrial | Condenser Tube | Conductivity (Thermal) | Thermal Conductivity |
| Condenser Tube | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Condenser Tube | Mechanical Properties | High Strength | |
| Distiller Tubes | Corrosion Resistance | Corrosion Resistance | |
| Distiller Tubes | Corrosion Resistance | Corrosion Resistance to Fresh Water | |
| Distiller Tubes | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Distiller Tubes | Mechanical Properties | Moderate Strength | |
| Evaporator Tubes | Corrosion Resistance | Corrosion Resistance | |
| Evaporator Tubes | Corrosion Resistance | Corrosion Resistance to Fresh Water | |
| Evaporator Tubes | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Evaporator Tubes | Mechanical Properties | Moderate Strength | |
| Ferrules | Corrosion Resistance | Corrosion Resistance | |
| Ferrules | Corrosion Resistance | Corrosion Resistance to Fresh Water | |
| Ferrules | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Ferrules | Mechanical Properties | Moderate Strength | |
| Heat Exchanger Tubes | Corrosion Resistance | Corrosion Resistance | |
| Heat Exchanger Tubes | Corrosion Resistance | Corrosion Resistance to Fresh Water | |
| Heat Exchanger Tubes | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Heat Exchanger Tubes | Mechanical Properties | Moderate Strength |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Condenser & Heat Exchanger Tube with Integral Fins | ASME | SB956 | Tube, Welded, Condenser, Heat Exchanger, w/ Integral Fins | ||
| ASTM | B956/B956M | WELDED COPPER AND COPPER-ALLOY CONDENSER AND HEAT EXCHANGER TUBES WITH INTEGRAL FINS | |||
| Seamless Condenser Tube & Ferrule Stock | ASTM | B111/B111M | COPPER AND COPPER ALLOY SEAMLESS CONDENSER TUBES AND FERRULE STOCK | ||
| ASME | SB111 | COPPER AND COPPER ALLOY SEAMLESS CONDENSER TUBES & FERRULE STOCK | |||
| Seamless Heat Exchanger and Condenser Tube | with Integral Fins | ASME | SB359 | COPPER & COPPER ALLOY SEAMLESS CONDENSER & HEAT EXCHANGER TUBES WITH INTEGRAL FINS | |
| U-Bend | ASTM | B395/B395M | U-BEND SEAMLESS COPPER AND COPPER ALLOY HEAT EXCHANGER AND CONDENSER TUBES | ||
| with Integral Fins | ASTM | B359/B359M | COPPER AND COPPER-ALLOY SEAMLESS CONDENSER AND HEAT EXCHANGER TUBES WITH INTEGRAL FINS | ||
| U-Bend | ASME | SB395 | U-BEND SEAMLESS COPPER & COPPER ALLOY HEAT EXCHANGER & CONDENSER TUBE | ||
| Tube, Welded Heater Exchanger | ASTM | B543/B543M | WELDED COPPER AND COPPER ALLOY HEAT EXCHANGER TUBE | ||
| ASME | SB543 | WELDED COPPER AND COPPER ALLOY TUBE |
Corrosion Properties