1. Chemical composition of EN AW – 7075
in the aftermath of DIN EN 573-3 (in % of the mass, rest AL)
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Remark | Other elements |
| 0,4 | 0,5 | 1,2-2,0 | 0,3 | 2,1-2,9 | 0,18-0,28 | 5,1-6,1 | 0,2 | 0,25Zr+Ti | 0,15 |
2. mechanical properties of EN AW – 7075
in the aftermath of DIN EN 485-2 Sheets and plates (common conditions)
| Condition | Nominal thickness | Tensile strength | Plug-in limit | Ultimate elongation | Rigor | ||||
| in mm | Rm in MPa | Rp0,2 in MPa | in % (min.) | HBS | |||||
| over | up to | min | max | min | max | A50 | A | ||
| T651 | 6,0 | 12,5 | 540 | – | 460 | – | 8 | – | 160 |
| 12,5 | 25,0 | 540 | – | 470 | – | – | 6 | 161 | |
| 25,0 | 50,0 | 530 | – | 460 | – | – | 5 | 158 | |
| 50,0 | 60,0 | 525 | – | 440 | – | – | 4 | 155 | |
| 60,0 | 80,0 | 495 | – | 420 | – | – | 4 | 147 | |
| 80,0 | 90,0 | 490 | – | 390 | – | – | 4 | 144 | |
| 90,0 | – | 460 | – | 360 | – | – | 3 | 135 | |
| 100,0 | – | 410 | – | 300 | – | – | 2 | 119 | |
| 120,0 | – | 360 | – | 260 | – | – | 2 | 104 | |
| Press | |||||||||
| T6 | 150 | 530 | – | 470 | – | – | 6 | – | |
| Physical Properties | General properties | ||
| (Guide values for 20° C) | |||
| Density of g/cm3 | 2,80 | Resistance to: | |
| Solidification range ° C | 480-640 | – Sea water | 4-5 |
| Electrical conductivity MS/m | 19-23 | – Weather conditions | 4-5 |
| Thermal conductivity W/(mK) | 130-160 | Hot formability | |
| Therm. linear expansion- | – extrusion presses | 5 | |
| Coeffizient 10-6/K | 23,4 | – Drop forging | 4 |
| Modulus of elasticity N/mm2 | 70.000 | – Open die forging | 4 |
| Weldability | Surface treatment | ||
| Fusion welding | Protection anodizing | 3 | |
| – Gas | 6 | Anodizing (decorative) | 6 |
| – WIG | 6 | Painting/Coating | 3 |
| – MIG | 6 | ||
| Resistance welding | 2 | Kontakt mit Lebensmittel | no |
| Machinability T651 | 2 | ||
3. Main application / Special features of EN AW – 7075:
Mould and tool making, cutting and punching tools with long service lives. Due to production, the core strength decreases continuously from 80 mm.