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Aluminum Association (AA)

Actualize product excellence across multiple applications

The Aluminum Association (AA) publishes standards for chemical composition limits and mechanical properties of cast and wrought aluminum alloys with the accompanying assignment of alloy and temper designations. This collection is used by the aluminum, transportation, packaging and building/construction industry. AA standards ensure you can:

  • Adhere to accepted uses
  • Improve product tolerances
  • Enhance maintenance procedures

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Industry Success Stories

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Dec 17

Using a Laser Cutter for Paper Projects!

Lasers are pretty versatile—they’ll cut and engrave materials like wood, fabric, plastic, and glass. But we forget how popular they’ve become for cutting paper and cardstock, too. Click here to see a video of intricate paper cutting. Think about how intricate and detailed you can

Dec 17

Short Circuit Study

Hi every one, My distribution network is having 1 incomer source of 220 kv and 3 outgoing transformers of 220/33kV, 65 mva with Z= 14% with 7.5%. Source short circuit value is 50kA. I have done short circut calculation manually and with etap but my results are not matching. With etap SC current o

Dec 16

Gearbox Forward-vs-Reverse Efficiency: How Much Difference to Expect?

I have some design problems involving travel drive for loaded cars on a rail track to move at low speed using standard bevel-helical geared motors (0.18kW, ratio in the range 200:1 to 380:1). Variable frequency drive is used for gradual starting and stopping. During controlled deceleration there wi

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