Overview
Alloy C651 is a corrosion resistant copper alloy. It is primarily used as a welding rod and for mechanical fasteners and electrical connections.
Physical Properties
Round Wire
| TEMPER NAME | TEMPER CODE | TENSILE STRENGTH (ksi) |
MILL LIMITS (inch) |
|
| Min | Max | |||
| Annealed | O61 | 38.0 | 55.0 | .0010 - .1285 inch |
| 1/4 Hard | H01 | 60.0 | 75.0 | |
| 1/2 Hard | H02 | 75.0 | 95.0 | |
| Hard | H04 | 90.0 | 110 | |
| Spring | H08 | 100 | ||
| TEMPER NAME | TEMPER CODE | TENSILE STRENGTH (Mpa) |
MILL LIMITS (mm) |
|
| Min | Max | |||
| Annealed | O61 | 260 | 380 | .0254 - 3.264 mm |
| 1/4 Hard | H01 | 410 | 520 | |
| 1/2 Hard | H02 | 510 | 660 | |
| Hard | H04 | 620 | 760 | |
| Spring | H08 | 680 | ||
Square Wire
| TEMPER NAME | TEMPER CODE | TENSILE STRENGTH (ksi) |
MILL LIMITS (inch) |
|
| Min | Max | |||
| Annealed | O61 | 38.0 | 55.0 | .0100 - .0808 inch |
| 1/4 Hard | H01 | 60.0 | 75.0 | |
| 1/2 Hard | H02 | 75.0 | 95.0 | |
| Hard | H04 | 90.0 | 110 | |
| Spring | H08 | 100 | ||
| TEMPER NAME | TEMPER CODE | TENSILE STRENGTH (Mpa) |
MILL LIMITS (mm) |
|
| Min | Max | |||
| Annealed | O61 | 260 | 380 | .2540 - 1.905 mm |
| 1/4 Hard | H01 | 410 | 520 | |
| 1/2 Hard | H02 | 510 | 660 | |
| Hard | H04 | 620 | 760 | |
| Spring | H08 | 680 | ||
Rolled Flat
| TEMPER NAME | TEMPER CODE | TENSILE STRENGTH (ksi) |
MILL LIMITS (inch) |
|
| Min | Max | |||
| Annealed | O50 | 40.0 | 50.0 | Thickness: .0100 - .0500 inch Width: .0150 - .2500 inch |
| 1/4 Hard | H01 | 42.0 | 52.0 | |
| 1/2 Hard | H02 | 47.0 | 57.0 | |
| Hard | H04 | 60.0 | 70.0 | |
| Extra Hard | H06 | 67.0 | 76.0 | |
| Spring | H08 | 71.0 | 79.0 | |
| TEMPER NAME | TEMPER CODE | TENSILE STRENGTH (Mpa) |
MILL LIMITS (mm) |
|
| Min | Max | |||
| Annealed | O50 | 270 | 350 | Thickness: .2540 - 1.905 mm Width: .3810 - 6.350 mm |
| 1/4 Hard | H01 | 280 | 360 | |
| 1/2 Hard | H02 | 320 | 400 | |
| Hard | H04 | 410 | 490 | |
| Extra Hard | H06 | 460 | 530 | |
| Spring | H08 | 480 | 550 | |
