Alloy C651 is a corrosion resistant copper alloy. It is primarily used as a welding rod and for mechnical fasteners and electrical connections.
Mechanical Properties
Round Wire
Annealed |
O61 |
38 |
55 |
.0010 - .1285 inch |
1/4 Hard |
H01 |
60 |
75 |
1/2 Hard |
H02 |
75 |
95 |
Hard |
H04 |
90 |
110 |
Spring |
H08 |
100 |
|
Square Wire
Annealed |
O61 |
38 |
55 |
.0100 - .0808 inch |
1/4 Hard |
H01 |
60 |
75 |
1/2 Hard |
H02 |
75 |
95 |
Hard |
H04 |
90 |
110 |
Spring |
H08 |
100 |
|
Rolled Flat
Annealed |
O61 |
40 |
50 |
Thickness:
.0100 - .0500 inch
Width:
.0150 - .2500 inch
|
1/4 Hard |
H01 |
42 |
52 |
1/2 Hard |
H02 |
47 |
57 |
Hard |
H04 |
60 |
70 |
Extra Hard |
H06 |
67 |
76 |
Spring |
H08 |
71 |
79 |
Physical Properties
Melting Point (Liquidis) |
1940°F |
Melting Point (Solidus) |
1890°F |
Density |
0.316 lbs/cu in |
Electrical Resistivity (Annealed) |
86.4 Ω⋅cmil/ft @ 68°F |
Electrical Conductivity (Annealed) |
12 % IACS @ 68°F |
Thermal Conductivity (Solutionized-Aged) |
33 Btu ft/sq ft hr °F @ 68°F |
Coefficient of Thermal Expansion |
0.0000099°F (68-572°F) |
Modulus of Elasticity (Tension) |
17000 ksi |
Modulus of Rigidity |
6400 ksi |
Mechanical Properties
Round Wire
Annealed |
O61 |
260 |
380 |
.0254 - 3.264 mm |
1/4 Hard |
H01 |
415 |
515 |
1/2 Hard |
H02 |
515 |
655 |
Hard |
H04 |
620 |
760 |
Spring |
H08 |
690 |
0 |
Square Wire
Annealed |
O61 |
260 |
380 |
.2540 - 1.905 mm |
1/4 Hard |
H01 |
415 |
515 |
1/2 Hard |
H02 |
515 |
655 |
Hard |
H04 |
620 |
760 |
Spring |
H08 |
690 |
0 |
Rolled Flat
Annealed |
O61 |
275 |
345 |
Thickness:
.2540 - 1.905 mm
Width:
.3810 - 6.350 mm
|
1/4 Hard |
H01 |
290 |
360 |
1/2 Hard |
H02 |
325 |
395 |
Hard |
H04 |
415 |
485 |
Extra Hard |
H06 |
460 |
525 |
Spring |
H08 |
490 |
545 |
Physical Properties
Melting Point (Liquidis) |
1060°C |
Melting Point (Solidus) |
1032°C |
Density |
8.74696 gm/cu cm |
Electrical Resistivity (Annealed) |
14.3634 ?? -cm @ 20°C |
Electrical Conductivity (Annealed) |
0.07025 MegaSiemens /cm @ 20°C |
Thermal Conductivity (Solutionized-Aged) |
57.14210526 W/m · °K @ 20°C |
Coefficient of Thermal Expansion |
0.00001782°C (20-300°C) |
Modulus of Elasticity (Tension) |
117200 MPa |
Modulus of Rigidity |
44100 MPa |
For a full size version of product specifications, including chemical composition in both US and Metric units, please download the PDF.