Produktinformation
1. chemical composition of EN AW-6023
according to DIN EN 573-3 (in % of mass, rest AL)
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Remark | Other elements |
| 0,6- | 0,5 | 0,2- | 0,2- | 0,4- | 0.3-0.8 Bi | 0,15 | |||
| 1,4 | 0,5 | 0,6 | 0,9 | 0.6-1.2 Sn |
2. Mechanical properties of EN AW-6023
DIN EN 755-2 pressed or DIN EN 754-2 drawn bars (common conditions)
| Condition | Nominal thickness | Tensile strength | Yield strength | Elongation at break | Hardness | ||||
| in mm | Rm in MPa | Rp0.2 in MPa | in % (min.) | HBS | |||||
| about | to | min | max | min | max | A50 | A | ||
| Pressed | |||||||||
| T6 | - | 150 | 310 | - | 260 | - | 8 | - | - |
| 150 | 200 | 260 | - | 240 | - | 8 | - | - | |
| Pulled | |||||||||
| T8 | - | 60 | 345 | - | 315 | - | - | 4 | - |
| T9 | - | 60 | 360 | - | 330 | - | - | 4 | - |
| Physical properties | General properties | ||
| (approximate values at 20° C) | |||
| Density in g/cm3 | 2,72 | Resistance to: | |
| Solidification range ° C | n.a. | - Sea water | 3 |
| Electrical conductivity MS/m | 26 | - Weather conditions | 2 |
| Thermal conductivity W/(mK) | 172 | Hot formability | |
| Therm. Linear expansion | - Extrusion | n/a | |
| Coefficient 10-6/K | 23,4 | - Die forging | - |
| Modulus of elasticity N/mm2 | 70.000 | - Open-die forging | - |
| Weldability | Surface treatment | ||
| Fusion welding | Protective anodizing | 2 | |
| - gas | - | Anodizing (decorative) | 2 |
| - TIG | 3 | Painting/coating | 2 |
| - MIG | 3 | ||
| Resistance welding | 3 | Contact with food | n.a. |
| Machinability | |||
| T6/T8 | 2 | ||
3. main application / special features of EN AW-6023:
This alloy was specially developed for applications in the electronics and automotive industries and is known for its good machining and anodizing properties. It is also used as an alternative alloy for EN AW-6012, in which lead is replaced by tin and bismuth and all technological properties are retained.
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