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Design Information  
Close Tolerances .015 (and in most cases held closer)
Weight Range .5 ounce to 125 lbs.
Draft 1/2 degree to 3 degree, depending upon part
Minimum Radius .015
Minimum Wall Thickness .075 , depending on complexity
Heat Treat Various
Secondary Operations Sandblasting, Machinng, Polishing, Deburring Ball Burnishing,packaging, shipping

 


 

Mechanical Properties Tensile, PSI Yield Strength @ 2% Offset, PSI Elongation in 2" Hardness Brinell

Notes

C355-T6 41,000 31,000 3% 90  
A356 26,000 18,000 6   (2)
A356-T6 43,000 37,400 4 80-90 (3)
A357-T6 46,000 36,000 3 85  
319-T6 36,000 24,000 2 80%  

(2)  As cast

(3) Typical test bars from Miller Foundry sand castings -- QQ-A-601 (Test results on file)

 


Technical Information C 355 % A 356 % A 357 % 319 % Miller Foundry

A 356 % (1)

Notes
Silicon 4.5 - 5.5 6.5-7.5 6.5 - .7.5 5.5-6.5 7.18  
Iron .13 .12 12 1.0 .13  
Copper 1.0 - 1.5 .10 1.0 3.0-4.0 .03  
Manganese .05 .05 .05 .10 .01  
Magnesium .50 - .60 .30 - 40 .45 - .70 .10 .33  
Zinc .05 .05 .05 .10 .02  
Titanium .20 .20 .20 .20 .03  
Beryllium     .04 - .07 Ni .10    
Other, Max .05 .05 .03   .05 max  
Total Others, Max .15 .15 .10 .20 .15 max  
Remainder, Aluminum Al Al Al Al Al  

(1) Typical independent laboratory test results of a Miller Foundry sand casting -- QQ-A-601.


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