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C70600 CU-NI 90/10 Copper Tube
ASTM B466 C70600 Copper Nickel Pipes
Products Description
UNS-C70600 copper-nickel tubing offers excellent resistance to seawater corrosion and biofouling. Copper-nickel alloys offer strong resistance to seawater environments.
There are two common alloys, with nickel contents of 10% and 30%, respectively.
The 10% nickel alloy of UNS-C70600 copper-nickel tubing is the most widely used alloy in seawater treatment applications.
Chemical Composition
| Alloy | Name | Copper | Nickel | Iron | Lead |
| C70600 | 90-10 copper nickel |
~89 |
9.0-11.0 |
1.0-1.8 |
<0.05 |
| C71500 | 70-30 copper nickel |
~69 |
29.0-33.0 |
0.4-1.0 |
<0.05 |
Specified Minimum Properties
| Temper | Code | 0.5% Proof Stress | Tensile Strength | Elongation |
| MPa | MPa | % | ||
| Annealed | O61 |
105 |
275 |
(40) |
| Cold Drawn | H55 |
240 |
310 |
(10) |
Physical Properties
| Property |
Metric Units |
Imperial Units |
|
Melting Point (Liquidus) |
11,500°C |
21,000°F |
|
Melting Point (Solidus) |
11,000°C |
20,100°F |
|
Density |
8.94 gm/cm³ @ 20°C |
0.323 lb/in³ @ 68°F |
|
Specific Gravity |
8.94 |
8.94 |
|
Coefficient of Thermal Expansion |
17.1 x 10 -6 / °C (20-300°C) |
9.5 x 10 -5 / °F (68-392°F) |
|
Themal Conductivity |
40 W/m. °K @ 20°C |
23 BTU/ft³/ft/hr/°F @ 68°F |
|
Thermal Capacity (Specific Heat) |
380 J/kg. °K @ 20°C |
0.09 BTU/lb/°F @ 68°F |
|
Electrical Conductivity (Annealed) |
5.26 microhm?¹.cm?¹ @ 20°C |
9.1% IACS |
|
Electrical Resistivity (Annealed) |
0.190 microhm.cm @ 20°C |
130 ohms (circ mil/ft) @ 68°F |
|
Modulus of Elasticity (tension) |
140 GPa @ 20°C |
20 x 10 6 psi @ 68°F |
|
Modulus of Rigidity (torsion) |
52 GPa @ 20°C |
7.5 x 10 6 psi @ 68°F |
Fabrication Properties
|
|
ASTM Product Specifications
| Title | |
| B469 |
Seamless Copper Alloy Tubes for Pressure Applications |
| B466 |
Seamless Copper Nickel Pipe and Tube |
| B552 |
Seamless & Welded Copper Nickel Tubes for Water Desalting |
| B543 |
Welded Copper & Copper Alloy Heat Exchanger Tube |
| B608 |
Welded Copper Alloy Pipe |
| B467 |
Welded Copper Nickel Pipe |
| B151 |
Copper Nickel Zinc Alloy (Nickel Silver) & Copper Nickel Rod & Bar |
| B111 |
Copper & Copper Alloy Seamless Condenser Tubes & Ferrule Stock |
| B359 |
Copper & Copper Alloy Seamless Condenser & Heat Exchanger Tubes with Integral Fins |
| B171 |
Copper Alloy Plate & Sheet for Pressure Vessels, Condensers & Heat Exchangers |
| B122 |
Copper Nickel Tin Alloy, Copper Nickel Zinc Alloy (Nickel Silver), & Copper Nickel Plate, Sheet, Strip & Rolled Bar |
Products provided by GNEE
| Product Form | Main Alloy / UNS Number (Select Common Grades) | Common ASTM Standards | Thickness / Diameter | Width / OD | Length | Surface Finish |
|---|---|---|---|---|---|---|
| Copper Tube/Pipe | C10100, C10200, C10300, C10800, C11000, C12000, C12200, C14200, C19200, C23000, C44300, C68700, C70600, C71500 | B75, B88, B111, B280, B395, B543 | 0.012" - 0.125" (0.3mm - 3.2mm) Wall | 1/8" - 6" (3.2mm - 152mm) OD | Straight: 10ft - 20ft (3m - 6m) Coils: Custom |
Drawn (Bright), Annealed (Soft), Bare, Tin-Plated |
| Copper Sheet/Plate | C10100, C10200, C11000, C11300, C11400, C11600, C12200, C14200, C19200, C22000, C26000, C26800, C27000, C51000, C52100, C54400, C63000, C77000 | B152, B370, B36 | Sheet: 0.006" - 0.188" (0.15mm - 4.8mm) Plate: > 0.188" (4.8mm) |
12" - 48" (305mm - 1220mm) or more | 36" - 144" (914mm - 3658mm) or more | Mill Finish, Polished (Mirror), Brushed, Oxidized, Pre-painted |
| Copper Bar/Rod | C10100, C11000, C11300, C11400, C11600, C14500, C14700, C15000, C15700, C18200, C18400, C18700, C36000, C46400, C48500, C63000, C64200, C65500, C67300, C67400 | B124, B16, B98, B138, B139, B196, B301 | Round: 1/8" - 6" (3mm - 150mm) Dia. Flat Bar: 1/4" - 12" (6mm - 305mm) Wide |
N/A for Rounds | 12ft - 20ft (3.6m - 6m) Standard | Drawn (Bright), Turned & Polished, Hot Rolled, Sand Blasted |
| Copper Wire | C10100, C10200, C11000, C11300, C11400, C11600, C15500, C16200, C21000, C22000, C23000, C26000, C27000, C51000, C52100, C54400, C63000, C77000 | B1, B2, B3, B105, B134, B159, B197 | 0.010" - 0.500" (0.25mm - 12.7mm) Dia. | N/A | Coils: 1lb to several thousand lbs | Bare (Bright), Annealed (Soft), Tin-Plated, Nickel-Plated, Enameled |
| Copper Foil | C10100, C10200, C11000, C11300, C11400, C11600 | B370, B152 (Often follows IPC-4101) | 0.0005" - 0.010" (12µm - 250µm) | 18" - 48" (457mm - 1220mm) | Rolls: 500ft - 5000ft (150m - 1500m) | Electrodeposited (ED), Rolled & Annealed (RA), Double-Treat |
