Different alloy proportion,production methods and techniques
should be applied to produce customer-oriented aluminum extrusions.
ALUMINUM ALLOY CLASSIFICATION
A 4-figure serial number system is applied to classify extrusions. The classifications are specified as follows:
• We at present produces 6,000 series alloy primarily, also once produced 1,000 series, 3,000 series, and 5,000 series and attempted 7,000 series.