Composition Testing on Cooling Tube Materials
Element	Nominal 3003	Sector 1	Sector 2	Sector 3	4 mm Tube	8 mm Tube	0.9 mm Cap.	0.5 mm Cap.	1/4" Test Tube
Al	Remainder	Rem.	Rem.	Rem.	Rem.	Rem.	Rem.	Rem.	Rem.
Cr	-	-	-	-	-	-	-	-	-
Cu	.05 - .20	0.03	0.14	0.01	0.05	-	-	-	-
Fe	<.7	0.13	0.57	0.13	0.70	0.21	0.10	0.10	0.15
Mg	-	-	-	0.01	-	-	-	-	-
Mn	1 - 1.5	-	1.02	-	1.12	-	-	-	-
Si	<.6	0.01	0.19	0.03	0.22	0.10	0.12	0.12	0.10
Ti	-	0.01	0.01	0.01	0.01	-	-	-	-
V	-	0.01	0.01	0.01	-	-	-	-	-
Zn	<.1	0.02	0.01	0.01	-	-	-	-	-
Others Each	<.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05
Others Total	<.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
ALLOY	3003	1060	3003	1060	3003	1060	1060	1060	1060
Sample 1 -	From K&S Metals, stock
Sample 2 -	Extruded for us, custom
Sample 3 -	From K&S Metals, stock
Sample 4 -	From K&S Metals, stock
Sample 5 -	From K&S Metals, stock
Sample 6 -	From K&S Metals, stock
Sample 7 -	From K&S Metals, stock
Sample 8 -	From K&S Metals, stock