+49 (0) 4191 5070 0 info@gleich.de

CERTAL®

for high demands
on strength

High-strength Rolled Plate

Alloy:EN AW 7022 [AlZn5Mg3Cu]

Type of alloy: heat treatable

Temper: T6T651

Surface: rolled

  • very high strength 
  • good protective anodising capability
  • very good machining properties
  • very good polishability
  • good dimensional stability

High-strength rolled plate CERTAL® is based on alloy EN AW 7022 (AlZn5Mg3Cu). Compared with other high-strength rolled plates, CERTAL® has a significantly lower strength and hardness decrease from plate edge to centre and is therefore much more dimensionally stable than, for example, rolled plates made of EN AW 7075.

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Applications

Toolmaking

CERTAL® is often used for heavily-loaded anvil caps and punch retainers.

Drive technology

For drive units with very high power transmission, only high-strength materials can be used. In addition to strength, CERTAL® also offers good dimensional stability for this strength class.

Handling machines and industrial robots

If heavy loads have to be moved, CERTAL® has proven itself to be a high-strength material.

Device construction and mechanical engineering

For drive units with very high power transmission, only high-strength materials can be used. In addition to strength, CERTAL® also offers good dimensional stability for this strength class.

Expertentipp

If components show a very high degree of machining and they must be highly accurate, there can be a problem with warping when using rolled plates. This risk can be minimised if the processed component is subjected to stress relief annealing after the roughing operation at 140 ° C for 2 hours and only then is finished. rd.

Wolf Nawratil

Technical Product Manager, GLEICH Aluminium

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