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EN AW-7075

for high demands
on strength

High-strength rolled plate

Alloy: EN AW-7075 (AlZn5,5MgCu – 3.4365)

Type of alloy: heat treatable

Temper: T6T651

Surface:mill-finished or brush-finished

  • very high strength (but drop of the core strength for plates >80mm thickness)
  • ideally suited for structural etching
  • excellent polishing properties
  • very good machinability

High-strength rolled plate EN AW-7075 (AlZn5.5MgCu) is probably the most famous (high-strength) rolled plate and is used regardless of the individual requirements in nearly all sectors of the capital goods industry. The problem is the enormous strength and hardness drop across the plate cross section from about 120 mm in thickness.



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For medium-sized series and mass production, in particular blow moulds for plastics processing and PUR foam moulds are preferably made of rolled plate EN AW-7075.

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Mechanical engineering

As with all highly-stressed components, e.g. tool carriers, tool changers, tool clamps, etc., rolled plate EN AW-7075 is often used.

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Highly-loaded anvil caps, punch retainer and embossing plates are often made of rolled plate EN AW-7075.

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Industrial robots

Different versions of gripping claws, clamping and tensioning devices for heavy loads are produced from rolled plate EN AW-7075.

Expert tip

All rolled plates have directional properties and, in some cases, a serious decrease in strength and hardness from approximately 80 mm. This can lead to distortion as early as in the machining process. Wherever possible, G.AL® products should be used.

Sven Flaake

Technical Product Manager, GLEICH Aluminium

Any further questions?

Related products?

G.AL® C330

The higher-strength, six-sides saw cast plate in the alloy EN AW-7021 is characterised by its dimensional stability and its very low stress.

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High-strength rolled plate of EN AW-7022 with low drop of the strength from the plate edge to the centre.

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