Al cast plate G.AL® C330R, sawed mould plate



The higher-strength aluminum plate G.AL® C330R from alloy EN AW 7021 (AlZn5.5Mg1.5) with material temper T79 sawn on all sides is characterized by very high strength and hardness as well as very good low-stress properties. The very low strength and hardness decrease from plate edge to the centre makes G.AL® C330R a superior material in virtually all sectors of the capital goods industry.

Related Standards



Density ρ

2.8 g/cm³ at 20 °C

Surface roughness RMS

0 - 15000 μm



Standard stock sizes: 1540mm x 3048mm and 20-570mm in thickness

Width w

1540 mm


Elastic modulus E

70 GPa at 20 °C

Elongation A5 A5

2.5 - 4.5 % at 20 °C

Hardness, HBW HBW

110 - 120 [-] at 20 °C

Test method: 2.5/62.5

Tensile strength Rm

320 - 380 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

290 - 340 MPa at 20 °C


Coefficient of thermal expansion α

2.3E-5 1/K at 20 °C

Specific heat capacity cp

875 J/(kg·K) at 20 °C

Thermal conductivity λ

125 - 155 W/(m·K) at 20 °C


Electrical conductivity σel

2.10E+7 - 2.40E+7 S/m at 20 °C

Technological properties


Heat treatable alloy

Processing history

Temper: T79, solution heat treated and artificially aged

This material data has been provided by Gleich Aluminum.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.