Properties and Specification

Chemical Composition % (1)
Alloy	Al	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Others Each Total
6061	Rem	0.40-0.8	0.7	0.15-0.40	0.15	0.8-1.2	0.04-0.35	0.25	0.15	0.05	0.15

Mechanical Property Compliance or Rating (2)						Typical Mechanical Properties, Characteristics and Applications
	Size or Thickness (3)		Tensile Strength (MPa)		(5)	Tensile Strength (MPa)
Temper	Over mm	Up to mm	UTS (min)	Yield (min) (4)	Elong. % (min)	UTS	Yield	Elong %	Shear (MPa)	Hardness (Hv)
T1		12.5	180	95	16	200	115	20	...	60
T4	All		180	110	14	205	130	20	165	60
T6	All		260	240	8	300	270	13	207	100

Modulus of Elasticity (Gpa): [All Tempers]
Tension	68.9
Compression	69.7
Shear	~26
Resistance to Corrosion:     General     Stress Corrosion     Cracking	(6) B A	Good corrosion resistance for high strength applications.
Workability (Cold)	C	Average
Machinability	C	Average
Weldability     Gas     Arc     Resistance, Spot & Seam	A A A	Generally weldable by all commercial procedures and methods.
Brazeability	A	Generally weldable by all commercial procedures and methods.
Typcial Applications		Structural applications where corrosion resistance is needed, i.e. marine and transport use.

Notes:
(1) Chemical compositions are referenced in AS/NZS 1866. Single figures are maximums.
(2) Mechanical properties and ratings for T1, T4 & T6 tempers are specified in AS/NZS 1866.
(3) Thickness is defined as the diameter of solid rod or the wall thickness or the equivalent major solid cross section.
(4) Yield is based on 0.2% Proof Stress.
(5) Elongation is based on 50mm test parameter.
(6) Ratings A through E are relative ratings in order of merit for the hardest temper (A = Excellent E = Poor).

Consult McKechnie Aluminium Technical Services Department if further information is required.