Aluminum 6351-T6; 6351-T651
Categories: Metal; Nonferrous Metal; Aluminum Alloy; 6000 Series Aluminum Alloy
Material Notes: 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: AA6351-T6; AA6351-T651, UNS A96351; ISO AlSi1Mg0.5Mn; Aluminum 6351-T651; Aluminium 6351-T6; Aluminium 6351-T651; Al6351-T6
Vendors: Click here to view all available suppliers for this material.

Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 2.71 g/cc0.0979 lb/in³AA; Typical
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 9595AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop 130130Converted from Brinell Hardness Value
Hardness, Rockwell A 4040Converted from Brinell Hardness Value
Hardness, Rockwell B 6060Converted from Brinell Hardness Value
Hardness, Vickers 107107Converted from Brinell Hardness Value
Tensile Strength, Ultimate 310 MPa45000 psiAA; Typical
Tensile Strength, Yield 283 MPa41000 psiAA; Typical
Elongation at Break 14 %
@Thickness 1.59 mm		14 %
@Thickness 0.0625 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.
Poissons Ratio 0.330.33Estimated from trends in similar Al alloys.
Fatigue Strength 89.6 MPa
@# of Cycles 5.00e+8 		13000 psi
@# of Cycles 5.00e+8 		completely reversed stress; RR Moore machine/specimen
Shear Modulus 26.0 GPa3770 ksiEstimated from similar Al alloys.
Shear Strength 200 MPa29000 psiAA; Typical
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000382 ohm-cm
@Temperature 20.0 °C		0.00000382 ohm-cm
@Temperature 68.0 °F		AA; Typical
 
Thermal PropertiesMetricEnglishComments
CTE, linear  23.4 µm/m-°C
@Temperature 20.0 - 100 °C		13.0 µin/in-°F
@Temperature 68.0 - 212 °F		AA; Typical; average over range
 25.0 µm/m-°C
@Temperature 20.0 - 300 °C		13.9 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.890 J/g-°C0.213 BTU/lb-°FEstimated from trends in similar Al alloys.
Thermal Conductivity 176 W/m-K1220 BTU-in/hr-ft²-°FAA; Typical at 77°F
Melting Point 554 - 649 °C1030 - 1200 °FAA; Typical range based on typical composition for wrought products >= 1/4 in. thickness
Solidus 554 °C1030 °FAA; Typical
Liquidus 649 °C1200 °FAA; Typical
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 349 °C660 °Fhold at temperature for about 4 hr
Solution Temperature 504 °C940 °F
Aging Temperature 170 °C338 °Fhold at temperature for 6 hr
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 95.9 - 98.5 %95.9 - 98.5 %As remainder
Copper, Cu <= 0.10 %<= 0.10 %
Iron, Fe <= 0.50 %<= 0.50 %
Magnesium, Mg 0.40 - 0.80 %0.40 - 0.80 %
Manganese, Mn 0.40 - 0.80 %0.40 - 0.80 %
Other, each <= 0.05 %<= 0.05 %
Other, total <= 0.15 %<= 0.15 %
Silicon, Si 0.70 - 1.3 %0.70 - 1.3 %
Titanium, Ti <= 0.20 %<= 0.20 %
Zinc, Zn <= 0.20 %<= 0.20 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.