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  #1  
Old 05-08-2018, 01:18 AM
RV3Kev RV3Kev is offline
 
Join Date: Sep 2017
Location: Traralgon Australia
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Default Aluminium Angle Specification

I had to buy new long pieces of aluminium angle for the main longeron as the angle supplied in the very old kit was not long enough and I did not want to have a join.

The angel in the kit is 6061-T6 specification AMS-QQA-200/16 and the my supplier has sent me 6061 T6 QMS-QQA-200/8.

I have not has any success in googling the difference between the two specifications.

Anybody have any ideas if I can use the 200/8 version??
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  #2  
Old 05-08-2018, 05:14 AM
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ccsmith51 ccsmith51 is online now
 
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It appears that AMS-QQ-A-200/8 is equivalent to ASTM B221, and that AMS-QQ-A-200/16 is equivalent to ASTM B308.

This thread may help you...

http://www.vansairforce.com/communit...ad.php?t=87628
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  #3  
Old 05-08-2018, 05:37 AM
RV3Kev RV3Kev is offline
 
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Default Thanks

I have a Mill cert for the material that indicates that conformation to AMS-QQA-200/8 and ASTM B308-02.

Thanks for the reply, Nice to know that I'm not working alone.

Kevin
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  #4  
Old 05-09-2018, 12:23 AM
RV3Kev RV3Kev is offline
 
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Default Answered

I rang the supplier today and found the answer!

AMS-QQA-200/16 is an old specification that is now superseded as of 2007 and was applied to structural extruded shapes. The specification AMS-QQA-200/8 included extruded shapes plus other type of aluminium processes.

AMS-QQA-200/8 is essentially the same.
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