QUALITY ASSURANCE REPORT


Aluminum Alloy - Molten Metal A383/ADC12

Chemical Composition % Target %
Silicon Si 9.50-11.50 10.00
Copper Cu 2.00-3.00 2.50
Manganese Mn 0.50-Max N/A
Magnesium Mg 0.10-Max 0.10
Zinc Zn 1.00-Max 0.80
Nickel Ni 0.10-Max N/A
Tin Sn 0.10-Max N/A
Chromium Cr 0.10-Max N/A
Lead Pb 0.15-Max 0.10
Total Other 0.50-Max  
Aluminum Al Remainder  


Sludge Factor [(1 x %Fe) + (2 x %Mn) + (3 x %Cr)]: 1.80% Maximum

Evidence of statistical conformance to above (typically, Cpk 1.33) must be provided to Min-Shian quarterly.

Every shift will verify the alloy chemical composition and SPC techniques will be applied.


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