UNIDAL® AlZn4Mg2Mn – EN AW 7019

Al Rolled Sheets UNIDAL® from AlZn4Mg2Mn- EN AW 7019 Al alloy

hardened alloy, high strength, and precise tooled finish

Use: Mechanical engineering Single-purpose machine construction Jig design Shearing tools Defense industry

Processing qualities: Weldability TIG/MIG: excellent Additional material EN AW 5083 a EN AW 5356 Technical anodising: excellent Decoration anodising: excellent Formability: very good Corrosion resistance – normal atmosphere: excellent Corrosion resistance – sea atmosphere: excellent

Physical characteristics: Density: 2,75 kg/dm3 Thermal conductivity: 135–150 W/mK Electric conductivity: 19 – 23 MS/m Thermal expansion factor (20–100°C): 23,6.10–6 K-1 Elastic modulus: 71 000 MPa

Mechanical characteristics reference of supplied Al sheet (temper T651): Strength Rm: 475 MPa Yield strength Rp0,2: 375 MPa Elongation A 50: 11,5% Hardness: 135 HB

Chemical composition in %: Si: max. 0,35 Fe: max. 0,45 Cu: max. 0,2 Mn: 0,15 – 0,5 Mg: 1,5 – 2,5 Cr: max. 0,2 Zn: 3,5 – 4,5 Ti + Zn: 0,1 – 0,4

Standard sizes of rolled sheet (others made to order): Thickness: 8,0 – 80 mm Width: 1520 mm Length: 3020 mm

Size tolerance: For whole Al sheets +/- 0,1 mm, others in accordance with EN 485–3. For cropped Al sheets +/- 0,1 mm for all sizes.

Al sheet planarity: For thickness 6 – 15 mm max. 0,50 mm/m. For thickness 15,1 – 120 mm max. 0,35 mm/m.

Al sheet surface: For two sided tooled surface roughness Ra = 0,4 µm with protection foil provided.

ALPLAN ® is registered trademark of ALCAN Co.