AA Standards Grade 7075 T651

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Description

A high strength aerospace aluminium alloy offering good corrosion resistance.

Related Standards

Equivalent Materials

This material data has been provided by AluKey,MakeItFrom.com,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,Matmatch,WroughtAl_ElectricalResistivity,Righton Blackburns.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Temperature	Value
Density	23.0 °C	2.81 - 3.1 g/cm³ Show Material materials with Density of 2.81 - 3.1 g/cm³

Mechanical

Property	Temperature	Value	Comment
Bending Fatigue Strength	23.0 °C	160 MPa Show Material materials with Bending Fatigue Strength of 160 MPa
Compressive modulus	23.0 °C	72.4 MPa Show Material materials with Compressive modulus of 72.4 MPa
Elastic modulus	23.0 °C	72 GPa Show Material materials with Elastic modulus of 72 GPa
Elongation	-195.0 °C	9 % Show Material materials with Elongation of 9 %	Elongation in 50 mm
	-80.0 °C	11 % Show Material materials with Elongation of 11 %	Elongation in 50 mm
	0.0 °C	11 % Show Material materials with Elongation of 11 %	Elongation in 50 mm
	23.0 °C	7.4 - 11 % Show Material materials with Elongation of 7.4 - 11 %	Elongation in 50 mm
	24.0 °C	11 % Show Material materials with Elongation of 11 %	Elongation in 50 mm
	100.0 °C	14 % Show Material materials with Elongation of 14 %	Elongation in 50 mm
	150.0 °C	30 % Show Material materials with Elongation of 30 %	Elongation in 50 mm
	205.0 °C	55 % Show Material materials with Elongation of 55 %	Elongation in 50 mm
	260.0 °C	65 % Show Material materials with Elongation of 65 %	Elongation in 50 mm
	315.0 °C	70 % Show Material materials with Elongation of 70 %	Elongation in 50 mm
	370.0 °C	70 % Show Material materials with Elongation of 70 %	Elongation in 50 mm

Elongation A100	23.0 °C	2 - 9 % Show Material materials with Elongation A100 of 2 - 9 %
Elongation A50	23.0 °C	7 - 11 % Show Material materials with Elongation A50 of 7 - 11 %
Fatigue strength	23.0 °C	159 MPa Show Material materials with Fatigue strength of 159 MPa	for 5x10⁸ cycles
Hardness, Brinell	23.0 °C	150 [-] Show Material materials with Hardness, Brinell of 150 [-]	500 kg load, 10 mm ball
Plane-Strain Fracture Toughnes	-196.0 °C	33.5 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 33.5 MPa·√m	For plate in T-L direction
	23.0 °C	24.2 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 24.2 MPa·√m	For plate in T-L direction
	24.0 °C	32.3 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 32.3 MPa·√m	For plate in T-L direction
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Poisson's ratio	23.0 °C	0.33 [-] Show Material materials with Poisson's ratio of 0.33 [-]
Shear modulus	23.0 °C	26.9 GPa Show Material materials with Shear modulus of 26.9 GPa
Shear strength	23.0 °C	331 MPa Show Material materials with Shear strength of 331 MPa
Tensile strength	-195.0 °C	703 MPa Show Material materials with Tensile strength of 703 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	-80.0 °C	620 MPa Show Material materials with Tensile strength of 620 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	0.0 °C	593 MPa Show Material materials with Tensile strength of 593 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	23.0 °C	460 - 570 MPa Show Material materials with Tensile strength of 460 - 570 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	24.0 °C	572 MPa Show Material materials with Tensile strength of 572 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	100.0 °C	483 MPa Show Material materials with Tensile strength of 483 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	150.0 °C	215 MPa Show Material materials with Tensile strength of 215 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	205.0 °C	110 MPa Show Material materials with Tensile strength of 110 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	260.0 °C	75 MPa Show Material materials with Tensile strength of 75 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	315.0 °C	55 MPa Show Material materials with Tensile strength of 55 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	370.0 °C	40 MPa Show Material materials with Tensile strength of 40 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
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Yield strength	23.0 °C	470 - 505 MPa Show Material materials with Yield strength of 470 - 505 MPa
Yield strength Rp0.2	-196.0 °C	634 MPa Show Material materials with Yield strength Rp0.2 of 634 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	-80.0 °C	545 MPa Show Material materials with Yield strength Rp0.2 of 545 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	-28.0 °C	517 MPa Show Material materials with Yield strength Rp0.2 of 517 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	23.0 °C	370 - 505 MPa Show Material materials with Yield strength Rp0.2 of 370 - 505 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	24.0 °C	503 MPa Show Material materials with Yield strength Rp0.2 of 503 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	100.0 °C	448 MPa Show Material materials with Yield strength Rp0.2 of 448 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	149.0 °C	186 MPa Show Material materials with Yield strength Rp0.2 of 186 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	204.0 °C	87 MPa Show Material materials with Yield strength Rp0.2 of 87 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	260.0 °C	62 MPa Show Material materials with Yield strength Rp0.2 of 62 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	316.0 °C	45 MPa Show Material materials with Yield strength Rp0.2 of 45 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
	371.0 °C	32 MPa Show Material materials with Yield strength Rp0.2 of 32 MPa	up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture
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Thermal

Property	Temperature	Value
Coefficient of thermal expansion	23.0 °C	2.3E-5 - 2.35E-5 1/K Show Material materials with Coefficient of thermal expansion of 2.3E-5 - 2.35E-5 1/K
Melting point		477 - 635 °C Show Material materials with Melting point of 477 - 635 °C
Specific heat capacity	23.0 °C	910 J/(kg·K) Show Material materials with Specific heat capacity of 910 J/(kg·K)
Thermal conductivity	23.0 °C	130 - 160 W/(m·K) Show Material materials with Thermal conductivity of 130 - 160 W/(m·K)

Electrical

Property	Temperature	Value	Comment
Electrical conductivity	23.0 °C	1.90E+7 S/m Show Material materials with Electrical conductivity of 1.90E+7 S/m	Typical/derived value
Electrical resistivity	23.0 °C	4.31E-8 - 5.22E-8 Ω·m Show Material materials with Electrical resistivity of 4.31E-8 - 5.22E-8 Ω·m	Typical value
Specific Electrical conductivity		33 % IACS Show Material materials with Specific Electrical conductivity of 33 % IACS	Typical value

Chemical properties

Property	Value	Comment
Aluminium	86.9 - 91.4 % Show Material materials with Aluminium of 86.9 - 91.4 %	Balance
Chromium	0.18 - 0.28 % Show Material materials with Chromium of 0.18 - 0.28 %
Copper	1.2 - 2 % Show Material materials with Copper of 1.2 - 2 %
Iron	0 - 0.5 % Show Material materials with Iron of 0 - 0.5 %
Magnesium	2.1 - 2.9 % Show Material materials with Magnesium of 2.1 - 2.9 %
Manganese	0 - 0.3 % Show Material materials with Manganese of 0 - 0.3 %
Other	0 - 0.15 % Show Material materials with Other of 0 - 0.15 %	each 0.05, total 0.15, Rest Al,Total
Silicon	0 - 0.4 % Show Material materials with Silicon of 0 - 0.4 %
Titanium	0 - 0.2 % Show Material materials with Titanium of 0 - 0.2 %
Zinc	5.1 - 6.1 % Show Material materials with Zinc of 5.1 - 6.1 %
Zirconium	0 - 0.25 % Show Material materials with Zirconium of 0 - 0.25 %

Technological properties

Property
Brazing	general: no brazing is known or developed
Corrosion properties	Stress corrosion cracking: Operational damage in areas with tensile stresses transverse to the grain structure, limited damage to laboratory samples, general: good, without protection in industrial or seawater atmosphere
General machinability	General: poor (O), good to acceptable
Workability	general (condition): not suitable