Wrought aluminium alloy, 6061, T4

Note: only one typical science note is linked from this example of a CES EduPack Level 3 datasheet.

General

designation

Al alloy: 6061-T4 (wrought)
Condition: T4 (Solution heat-treated and naturally aged to a substantially stable condition)
UNS number: A96061
EN name: EN AW-6061 (EN AW-AlMg1SiCu)
EN number: 3.3211

Typical uses
Trucks, towers, canoes, railroads, cars, furniture, pipelines,and other structural applications where strength, weldability, and corrosion resistance are needed

 
COMPOSITION OVERVIEW

Compositional summary
Al96-99 / Mg0.8-1.2 / Si0.4-0.8 / Cu0.15-0.4 / Cr0.04-0.35 (impurities: Fe<0.7, Zn<0.25, Mn<0.15, Ti<0.15, Other<0.15)
Material family: Metal (non-ferrous)
Base Material - Al (aluminum)

 
COMPOSITION DETAIL (METALS, CERAMICS AND GLASSES)
Al (aluminum)
95.8
-
98.6
%
Cr (chromium)
0.04
-
0.35
%
Cu (copper)
0.15
-
0.4
%
Fe (iron)
0
-
0.7
%
Mg (magnesium)
0.8
-
1.2
%
Mn (manganese)
0
-
0.15
%
Si (silicon)
0.4
-
0.8
%
Ti (titanium)
0
-
0.15
%
Zn (zinc)
0
-
0.25
%
Other
0
-
0.15
%
 
GENERAL PROPERTIES
Density
2699
-
2726
kg/m^3
Price
*2.02
-
2.7
USD/kg
Price per unit volume
5.44e3
-
5.93e3
USD/m^3
 
MECHANICAL PROPERTIES

Bulk modulus

66.9

70.33

GPa

Compressive strength

97

172

MPa

Elongation

14

16.27

%

Fatigue strength at 10^7 cycles

*62

65.2

MPa

Fatigue strength model (stress range)

*45.29

86.19

MPa

Parameters: Stress Ratio = -1, No. of Cycles = 1e7

Fracture toughness

*34

35

MPa.m^1/2

Hardness—Vickers

66.5

73.5

HV

Mechanical loss coefficient

*1e-4

2e-3

 

Modulus of rupture

103

124

MPa

Poisson's ratio

0.33

0.3435

 

Shape factor

39

 

 

 

Shear modulus

26

27.33

GPa

Tensile strength

172

241

MPa

Yield strength (elastic limit)

103

124

MPa

Young's modulus

68

71.49

GPa
 
THERMAL PROPERTIES

Maximum service temperature

110

170

°C

Melting point

580

650

°C

Minimum service temperature

-273

 

 

°C

Specific heat

934

972.1

J/kg.K

Thermal conductivity

161

174.4

W/m.K

Thermal expansion coefficient

23.4

-
24.6

µstrain/°C

Latent heat of fusion

384

393

kJ/Kg

 
ELECTRICAL PROPERTIES

Electrical resistivity

4.2

4.4

µohm.cm

Electrical conductivity

39.2

41.1

%IACS

Galvanic potential

-0.79

-0.71

V

 
Magnetic PROPERTIES

Magnetic type

Non-magnetic

 
Optical, aesthetic and acoustic PROPERTIES

Transparency

Opaque

Acoustic velocity

4.95e3

5.08e3

m/s

Mechanical loss coefficient (tan delta)

1e-4

0.002

 

 
Critical materials risk

Contains >5wt% critical elements?

No

 
processing properties

Metal casting

Unsuitable

Metal cold forming

Excellent

Metal hot forming

Excellent

Metal press forming

Acceptable

Metal deep drawing

Acceptable

Machining speed

113m/min

Weldability*

Good

 
durablity

Flammability

Non-flammable

Water (fresh)

Excellent

Water (salt)

Acceptable

Weak acids

Excellent

Strong acids

Excellent

Weak alkalis

Acceptable

Strong alkalis

Unacceptable

Organic solvents

Excellent

UV radiation (sunlight)

Excellent

Oxidation at 500°C

Unacceptable

Galling resistance (adhesive wear)*

Limited use

* Aluminum alloys perform poorly when self-mated but can be processed without galling with mated with steels
 
Corrosion resistance of metals

Stress corrosion cracking

Not susceptible

 
Eco properties

Embodied energy, primary production

190

-

210

MJ/kg

CO2 footprint, primary production

12.46

13.9

kg/kg

Water usage

1.13e3

-

1.25

l/kg

 
Material Processing: energy

Extrusion, foil rolling energy

* 6.31

6.98

MJ/kg

Rough rolling, forging energy

* 3.3

3.65

MJ/kg

Wire drawing energy

* 22.9

25.3

MJ/kg

Metal powder forming energy

* 23.1

25.6

MJ/kg

Vaporization energy

* 1.55e4

-

1.71e4

MJ/kg

Coarse machining energy (per unit wt removed)

* 0.927

1.02

MJ/kg

Fine machining energy (per unit wt removed)

* 4.99

5.52

MJ/kg

Grinding energy (per unit wt removed)

* 9.51

10.5

MJ/kg

Non-conventional machining energy (per unit wt removed)

* 155

171

MJ/kg

 
Material Processing: CO2 footprint

Extrusion, foil rolling CO2

* 0.473

0.523

kg/kg

Roll forming, forging CO2

* 0.247

0.273

kg/kg

Wire drawing CO2

* 1.72

1.9

kg/kg

Metal powder forming CO2

* 1.85

-

2.05

kg/kg

Vaporization CO2

* 1.55e4

-

1.71e4

kg/kg

Coarse machining CO2 (per unit wt removed)

* 0.0695

0.0768

kg/kg

Fine machining CO2 (per unit wt removed)

* 0.375

0.414

kg/kg

Grinding CO2 (per unit wt removed)

* 0.714

0.789

kg/kg

Non-conventional machining CO2 (per unit wt removed)

* 11.6

12.8

kg/kg

 
Material recycling: energy, CO2 and recycle fraction

Recycle

TRUE

 

 

 

Embodied energy, recycling

17.1

0.273

MJ/kg

CO2 footprint, recycling

0.958

1.21

kg/kg

Recycle fraction in current supply

40.5

-

44.7

%

Downcycle

TRUE      

Combust for energy recovery

FALSE      

Landfill

TRUE      

Biodegrade

FALSE      

A renewable resource?

FALSE      
 
Notes
Typical uses

Trucks, towers, canoes, railroads cars, furniture, pipelines, and other structural applications where strength, weldability, and corrosion resistance are needed

 

Reference Sources

Data compiled from multiple sources. See links to the References table.

 

Standards with similar compositions

Australia:
6061 to AS 1734, 6061 to AS 1865, 6061 to AS 1866, 6061 to AS 1867, 6061 to AS 2848.1, 6061A to AS 2848.1

Canada:
0.6061 to CSA HA.4, 0.6061 to CSA HA.5, 0.6061 to CSA HA.6, 0.6061 to CSA HA.7, 0.6061 to CSA HA.7.1, 0.6061 to CSA HA.8

Europe:
EN AW-6061 to CEN EN 573-3

France:
6061 to NF A50-411, 6061 to NF A50-451

Germany:
3.3211/AlMgSi1Cu to DIN 1725-1

International:
AlMg1SiCu to ISO 209-1

Japan:
6061 to JIS H4120, A6061FD to JIS H4140, A6061FH to JIS H4140, A6061P to JIS H4000, A6061S to JIS H4100, A6061TB to JIS H4180, A6061TD to JIS H4080, A6061TE to JIS H4080

Russia:
1330 to GOST 4784, AD33 to GOST 4784

UK:
6061 to BS 1471, 6061 to BS 1473, 6061 to BS 1474, 6061 to BS 1475

USA:
6061, 6061 to AMS 4025, 6061 to AMS 4026, 6061 to AMS 4027, 6061 to AMS 4043, 6061 to AMS 4053, 6061 to AMS 4115, 6061 to AMS 4116, 6061 to AMS 4117, 6061 to ASTM B209M, 6061 to ASTM B210M, 6061 to ASTM B211M, 6061 to ASTM B221M, 6061 to ASTM B234, 6061 to ASTM B241M, 6061 to ASTM B247M, 6061 to ASTM B308/B308M, 6061 to ASTM B313/B313M, 6061 to ASTM B316/B316M, 6061 to ASTM B345/B345M, 6061 to ASTM B404/B404M, 6061 to ASTM B429, 6061 to ASTM B483/B483M, 6061 to ASTM B547/B547M, 6061 to ASTM B632/B632M, 6061 to MIL F-17132, 6061 to MIL P-25995B, 6061 to QQ A-225/8, 6061 to QQ A-250/11, 6061A, 6062, UNS A96061

Venezuela:
6061 to COPANT 862

Yugoslavia:
3.5456.00/AlMg1SiCu to JUS C.C2.100

Tradenames:
ALCOA 6061 COLD FINISHED BAR, ALUMINUM C58, ANTICORODAL-082, BAW 6061, KAISER ALUMINUM 6061

 
Links

ProcessUniverse

Producers

Reference

Shape

 

No warranty is given for the accuracy of this data. Values marked * are estimates.


March 12, 2018