G.AL® C330
high strength
excellent form stability
Plate’s Characteristics
| Alloy: | EN AW-7021 [ AlZn5,5Mg1,5] |
| Type of Alloy: | heat treatable |
| Temper: | solution heat treated, quenched, artificially aged, T79 |
| Surface: | precision milled, roughness Ra 0,4 μm, PVC on both sides |
Mechanical Properties
| Yield strength Rp0,2 | [MPa] | 290 - 340 |
| Ultimate tensile strength Rm | [MPa] | 320 - 380 |
| Elongation A | [%] | 2.5 – 4.5 |
| Hardness HBW | [2.5/62.5] | 110 – 120 |
Physical Properties
| Density | [g/cm³] | 2,8 |
| Module of elasticity | [GPa] | 70 |
| Electrical conductivity | [M/Ω·mm²] | 21 - 24 |
| Coefficient of therm. Expans. | [K-1 · 10-6] | 23,0 |
| Thermal conductivity | [W/m·K] | 125 - 155 |
| Specific heat capacity | [J/kg · K] | 875 |
Advantages
- Very high strength
- Excellent form stability
- Very good machinability
- Extremely stress relieved
- Very uniform flatness
- Precision milled surface
Applications
- Toolmaking
- Installation technology
- Printing industry
- Automation technology
- Handling and robotic technology
- Mechanical and special machine engineering
Processing charcteristics
- Dimensional stability 80%
- Machinability 80%
- Erodability 100%
- Weldability 80%
- Corrosion resistance (seawater / weather) 60%
- Anodizing 60%
- Polishability 80%
- Etching 70%
- Contact with food (according to EN 602 0%
Tolerances
| Thickness in [in] | Flatness [in] | Thickness [in] | Width & Length [in] |
| ≤ 15 | ≤ 0,40 | +/- 0,10 | -0/+20 / -0/+10 |
| > 15 | ≤ 0,25 | +/- 0,10 | -0/+20 / -0/+10 |
| Cutings | DIN 2769:2023-04 |
Standard Stock sizes
other dimensions upon request
| Plate Dimension [in] | Plate Thickness [in] |
| 60.5 × 120.0 | 10; 12; 15; 16; 20; 25; 30; 35; 40; 45; 50; 60; 70; 80; 100 |