Alloy grade	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Single
6063	0.2-0.6	≤0.35	≤0.10	≤0.10	0.45-0.9	≤0.10	≤0.10	≤0.10	≤0.05
6063A	0.3-0.6	0.15-0.35	≤0.10	≤0.15	0.6-0.9	≤0.05	≤0.15	≤0.1	≤0.05
6061	0.4-0.8	≤0.7	0.15-0.4	≤0.15	0.8-1.2	0.04-0.35	≤0.25	≤0.10	≤0.05
6N01	0.4-0.8	≤0.35	≤0.35	≤0.05	0.4-0.8	≤0.3	≤0.25	≤0.1	≤0.05
6005	0.6-0.9	≤0.35	≤0.1	≤0.1	0.4-0.6	≤0.1	≤0.1	≤0.1	≤0.05
7003	≤0.3	≤0.35	≤0.2	≤0.3	0.5-0	≤0.2	0.5-6.5	≤0.2	≤0.05

Alloy and status			6063(LD31)T5(RCS)
Tensile strength		N/mm²	≥160
Specified non proportional elongation stress		N/mm²	≥110
Tensile ratio		%	≥8
Thickness of oxide film	AA10級(jí)	Um	≥10
Closure quality		Mg/d m²	≤30

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