WIX Archives
Re: Maybe of some help(2)
Posted by Colin on Tue Apr 22, 2003 04:26:10 PM
In reply top Aircraft metal specs help?? posted by Jason on Thu Apr 17, 2003 03:21:25 AM
Aircraft drafting by hyman katz (1946)
gives
Sand Casting Aluminum Alloy
195 Aluminum Product & nominal composition (4.0% Cu)
Tempers T4, T6
Federal Identification QQ-A-601
AN Army-Navy ID AN-QQ-A-390
Navy ID 46A1
Uses :General High-strength structual parts.
Note: classification 195 is in the same system as 2S which became 2024.
cheers
Colin
: Can anybody help me with an old casting metal specificatio
: n "QQ-A-390, class 2"?
:
: What supercedes it?
:
: Thought somebody out there might have an old specs manual
: or something?
:
: Thanks
:
: Jason