Available Shapes

Alloy 3105 is available in coil and sheet.

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Typical Chemistry (% Maximum unless shown as a range)

Cu	Si	Fe	Mn	Mg	Zn	Cr	Ti	Al
0.3	0.6	0.7	0.3 - 0.8	0.2 - 0.8	0.4	0.2	0.1	Balance

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Characteristics

3105 is an essentially 98% pure aluminum alloy with minor additions for strength. It is not hardenable by heat treatment, and has excellent formability, corrosion resistance and welding characteristics.

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Typical Applications

3105 is commonly used for residential siding, mobile homes and in sheet metal work.

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Mechanical Properties

	Tensile Strength		Yield Strength		Elongation	Brinell Hardness
	ksi	MPa	ksi	MPa	% in 2" (50mm)
3105-0	17	?	6		?	-
3105-H12	22	?	19		?	-
3105-H14	25	?	22		?	-
3105-H16	28	?	25		?	-
3105-H18	31	?	28		?	-
3105-H25	26	?	23		?	-

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Fabrication Guide

				Weldability
	Corrosion Resistance	Formability	Machinability	Mpa	TIG	Resist.
3105-0	A	A	E	A	A	B
3105-H12	A	B	E	A	A	A
3105-H14	A	B	D	A	A	A
3105-H16	A	C	D	A	A	A
3105-H18	A	C	D	A	A	A
3105-H25	A	B	D	A	A	A

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