EN 755-2· Europe

6063-T5

Press-quenched 6063 for architectural profiles: 130 MPa proof and 175 MPa tensile up to 10 mm.

Wall thicknessmm

0.2 % proof strength Rp0.2: ≥ 110MPa
Single source10–25 mm
Tensile strength Rm: ≥ 160MPa
Single source10–25 mm
Elongation after fracture A: ≥ 7%
Single source10–25 mm · A (L₀ = 5.65√S₀)
Characteristic proof strength fo: 110MPa
From the standard3–25 mm
Characteristic ultimate strength fu: 160MPa
From the standard3–25 mm
HAZ proof strength fo,haz: 60MPa
From the standard3–25 mm
HAZ ultimate strength fu,haz: 100MPa
From the standard3–25 mm

All values

Identity and composition 8
Mechanical 6
Design values 8
Physical not yet
Thermal not yet
Fire not yet
Chemical and durability not yet

Mechanical

Strength

0.2 % proof strength Rp0.2

Minimum 0.2 % proof strength guaranteed by the product standard.

Condition	Value	Evidence
	≥ 130MPa	Single source
	≥ 110MPa	Single source

Tensile strength Rm

Ultimate tensile strength. Product standards give a range or a minimum.

Condition	Value	Evidence
	≥ 175MPa	Single source
	≥ 160MPa	Single source

Ductility

Elongation after fracture A

Minimum elongation; depends on gauge length and test direction.

Condition	Value	Evidence
	≥ 8%	Single source
	≥ 7%	Single source

Design values

Characteristic proof strength fo

fo for design to Eurocode 9 (before partial factors).

Condition	Value	Evidence
	130MPa	From the standard
	110MPa	From the standard

Characteristic ultimate strength fu

fu for design to Eurocode 9.

Condition	Value	Evidence
	175MPa	From the standard
	160MPa	From the standard

HAZ proof strength fo,haz

0.2 % proof strength in the heat-affected zone of a weld (Eurocode 9).

Condition	Value	Evidence
	60MPa	From the standard
	60MPa	From the standard

HAZ ultimate strength fu,haz

Ultimate strength in the heat-affected zone of a weld (Eurocode 9).

Condition	Value	Evidence
	100MPa	From the standard
	100MPa	From the standard

Chemical composition

Show on the periodic table

EN AW-6063, % by mass (EN 573-3, per Hydro)

Element	Applies to	Max %	Evidence
Si	all thicknesses	0.60	Single source
Fe	all thicknesses	0.35	Single source
Cu	all thicknesses	0.10	Single source
Mn	all thicknesses	0.10	Single source
Mg	all thicknesses	0.90	Single source
Cr	all thicknesses	0.10	Single source
Zn	all thicknesses	0.10	Single source
Ti	all thicknesses	0.10	Single source

Sources here are public pages that reproduce EN 755-2. For design and acceptance, the standard edition named in your specification and the inspection certificate (EN 10204 3.1) of the delivered product take precedence. Design factors are recommended values; your National Annex may set others.