AlZn5Mg3Cu – EN AW 7022

Al Rolled Sheets CERTAL® from AlZn5Mg3Cu – EN AW 7022 Al alloy

hardened alloy, medium strength with excellent welding properties

Use: Injection molding Moulds for foam and vulcanised products Prototype moulds Shearing tools Mechanical engineering Single-purpose machine construction

Processing qualities: Weldability TIG/MIG: possible Additional material EN AW 5083 a EN AW 5356 Technical anodising: good Formability: excellent Burnishing: very good Erosive machining: very good

Physical characteristics: Density: 2,76 kg/dm3 Thermal conductivity: 120–150 W/mK Electric conductivity: 18 – 22 MS/m Thermal expansion factor (20–100°C): 23,6.10–6 K-1 Elastic modulus: 72 000 MPa

Mechanical characteristics reference of supplied Al sheet (temper T651): Strength Rm: 550 MPa Yield strength Rp0,2: 495 MPa Elongation A 50: 8% Hardness: 165 HB

Chemical composition in %: Si: max. 0,5 Fe: max. 0,5 Cu: max. 0,5 – 1,0 Mn: 0,1 – 0,4 Mg: 2,6 – 3,7 Cr: 0,1 – 0,3 Zn: 4,3 – 5,2 Ti + Zn: max. 0,2

Standard sizes of Al sheet: Thickness: 10,0 – 140 mm Width: 1020 mm 1520 mm Length: 2020 mm 3020 mm

Size tolerance: All Al sheets in accordance with EN 485–3. Cut Al sheets up to thickness of 140 mm +/-0,2 mm horizontally and vertically, width tolerance in accordance with EN 485–3.

Al sheet planarity: In accordance with EN 485–3.

Al sheet surface: Rolled. Double sided protection foil made to order.