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Copper Temper Chart
Our copper temper chart explains the letter-and-number system that defines a copper alloy's treatment and mechanical properties, making it easy to select the right temper for your needs.
| Type | Code |
|---|---|
| 1/8 Hard | H00 |
| 1/4 Hard | H01 |
| 1/2 Hard | H02 |
| 3/4 Hard | H03 |
| Hard | H04 |
| Extra Hard | H06 |
| Spring | H08 |
| Extra Spring | H10 |
| Special Spring | H12 |
| Ultra Spring | H13 |
| Super Spring | H14 |
| Extruded and Drawn | H50 |
| Pierced and Drawn | H52 |
| Light Drawn, Light Cold Rolled | H55 |
| Drawn General Purpose | H58 |
| Cold Heading and Forming | H60 |
| Rivet | H63 |
| Screw | H64 |
| Bolt | H66 |
| Bending | H70 |
| Hard Drawn | H80 |
| Medium Hard Drawn Electrical Wire | H85 |
| Hard Drawn Electrical Wire | H86 |
| As Finned | H90 |
| As Sand Cast | M01 |
| As Centrifugal Cast | M02 |
| As Plaster Cast | M03 |
| As Pressure Die Cast | M04 |
| As Permanent Mold Cast | M05 |
| As Investment Cast | M06 |
| As Continuous Cast | M07 |
| As Hot Forged and Air Cooled | M10 |
| As Forged and Quenched | M11 |
| As Hot Rolled | M20 |
| As Hot Extruded | M30 |
| As Hot Pierced | M40 |
| As Hot Pierced and Rerolled | M45 |
| H01 Temper and Stress Relieved | HR01 |
| H02 Temper and Stress Relieved | HR02 |
| H04 Temper and Stress Relieved | HR04 |
| H08 Temper and Stress Relieved | HR08 |
| H10 Temper and Stress Relieved | HR10 |
| As Finned | HR20 |
| Drawn and Stress Relieved | HR50 |
| H04 Temper and Order Heat Treated | HT04 |
| H08 Temper and Order Heat Treated | HT08 |
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