Aluminum 3003-H18
Categories: Metal; Nonferrous Metal; Aluminum Alloy; 3000 Series Aluminum Alloy
Material Notes: Good weldability/formability and very good corrosion resistance lead to applications such as food and chemical handling, tanks, trim, litho sheet, pressure vessels, and piping.

Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN.

Composition Notes:
Composition information provided by the Aluminum Association and is not for design.
Key Words: UNS A93003; ISO AlMn1Cu; Aluminium 3003-H18; AA3003-H18; Al3003-H18
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Physical PropertiesMetricEnglishComments
Density 2.73 g/cc0.0986 lb/in³AA; Typical
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 5555AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop 7070Converted from Brinell Hardness Value
Tensile Strength, Ultimate 200 MPa29000 psiAA; Typical
 18.0 MPa
@Temperature 400 °C		2610 psi
@Temperature 752 °F
 29.0 MPa
@Temperature 300 °C		4210 psi
@Temperature 572 °F
 96.0 MPa
@Temperature 200 °C		13900 psi
@Temperature 392 °F
 180 MPa
@Temperature 100 °C		26100 psi
@Temperature 212 °F
 200 MPa
@Temperature 25.0 °C		29000 psi
@Temperature 77.0 °F
 210 MPa
@Temperature -30.0 °C		30500 psi
@Temperature -22.0 °F
 230 MPa
@Temperature -100 °C		33400 psi
@Temperature -148 °F
 290 MPa
@Temperature -200 °C		42100 psi
@Temperature -328 °F
 >= 185 MPa
@Thickness 0.152 - 3.25 mm		>= 26800 psi
@Thickness 0.00600 - 0.128 in
Tensile Strength, Yield 186 MPa27000 psiAA; Typical
 12.0 MPa
@Temperature 400 °C		1740 psi
@Temperature 752 °F
 17.0 MPa
@Temperature 300 °C		2470 psi
@Temperature 572 °F
 62.0 MPa
@Temperature 200 °C		8990 psi
@Temperature 392 °F
 145 MPa
@Temperature 100 °C		21000 psi
@Temperature 212 °F
 185 MPa
@Temperature 25.0 °C		26800 psi
@Temperature 77.0 °F
 190 MPa
@Temperature -30.0 °C		27600 psi
@Temperature -22.0 °F
 210 MPa
@Temperature -100 °C		30500 psi
@Temperature -148 °F
 230 MPa
@Temperature -200 °C		33400 psi
@Temperature -328 °F
 >= 165 MPa
@Thickness 0.152 - 3.25 mm		>= 23900 psi
@Thickness 0.00600 - 0.128 in
Elongation at Break  10 %
@Temperature -30.0 °C		10 %
@Temperature -22.0 °F
 10 %
@Temperature 25.0 °C		10 %
@Temperature 77.0 °F
 10 %
@Temperature 100 °C		10 %
@Temperature 212 °F
 12 %
@Temperature -100 °C		12 %
@Temperature -148 °F
 18 %
@Temperature 200 °C		18 %
@Temperature 392 °F
 23 %
@Temperature -200 °C		23 %
@Temperature -328 °F
 70 %
@Temperature 300 °C		70 %
@Temperature 572 °F
 75 %
@Temperature 400 °C		75 %
@Temperature 752 °F
 1.0 - 4.0 %
@Thickness 0.152 - 3.25 mm		1.0 - 4.0 %
@Thickness 0.00600 - 0.128 in
 4.0 %
@Thickness 1.59 mm		4.0 %
@Thickness 0.0625 in		AA; Typical
 10 %
@Diameter 12.7 mm		10 %
@Diameter 0.500 in		AA; Typical
Modulus of Elasticity 68.9 GPa10000 ksiAA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Ultimate Bearing Strength 296 MPa42900 psiEdge distance/pin diameter = 2.0
Bearing Yield Strength 262 MPa38000 psiEdge distance/pin diameter = 2.0
Poissons Ratio 0.330.33
Fatigue Strength 68.9 MPa
@# of Cycles 5.00e+8 		10000 psi
@# of Cycles 5.00e+8 		completely reversed stress; RR Moore machine/specimen
Machinability 30 %30 %0-100 Scale of Aluminum Alloys
Shear Modulus 25.0 GPa3630 ksi
Shear Strength 110 MPa16000 psiAA; Typical
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000432 ohm-cm
@Temperature 20.0 °C		0.00000432 ohm-cm
@Temperature 68.0 °F		AA; Typical
Magnetic Susceptibility 8.0e-78.0e-7cgs/g at 25ºC
 
Thermal PropertiesMetricEnglishComments
CTE, linear  21.5 µm/m-°C
@Temperature -50.0 - 20.0 °C		11.9 µin/in-°F
@Temperature -58.0 - 68.0 °F
 23.2 µm/m-°C
@Temperature 20.0 - 100 °C		12.9 µin/in-°F
@Temperature 68.0 - 212 °F		AA; Typical; average over range
 24.1 µm/m-°C
@Temperature 20.0 - 200 °C		13.4 µin/in-°F
@Temperature 68.0 - 392 °F
 25.1 µm/m-°C
@Temperature 20.0 - 300 °C		13.9 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.893 J/g-°C0.213 BTU/lb-°F
Thermal Conductivity 154 W/m-K1070 BTU-in/hr-ft²-°FAA; Typical at 77°F
Melting Point 643 - 654 °C1190 - 1210 °FAA; Typical range based on typical composition for wrought products >= 1/4 in. thickness
Solidus 643 °C1190 °FAA; Typical
Liquidus 654 °C1210 °FAA; Typical
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 413 °C775 °FCommercial practice: 750 to 1100°F, higher temperatures used only for flash annealing.
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 96.7 - 99 %96.7 - 99 %As remainder
Copper, Cu 0.05 - 0.20 %0.05 - 0.20 %
Iron, Fe <= 0.70 %<= 0.70 %
Manganese, Mn 1.0 - 1.5 %1.0 - 1.5 %
Other, each <= 0.05 %<= 0.05 %
Other, total <= 0.15 %<= 0.15 %
Silicon, Si <= 0.60 %<= 0.60 %
Zinc, Zn <= 0.10 %<= 0.10 %

References for this datasheet.

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