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ASTM B631 Class B vs. Sintered 6061 Aluminum

ASTM B631 class B belongs to the otherwise unclassified metals classification, while sintered 6061 aluminum belongs to the aluminum alloys. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM B631 class B and the bottom bar is sintered 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 78 to 79
25

Thermal Properties

Latent Heat of Fusion, J/g 150
400
Melting Completion (Liquidus), °C 2460 to 2480
640
Specific Heat Capacity, J/kg-K 170
900
Thermal Conductivity, W/m-K 450
200
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50 to 53
52
Electrical Conductivity: Equal Weight (Specific), % IACS 32 to 34
170

Otherwise Unclassified Properties

Density, g/cm3 14
2.7
Embodied Carbon, kg CO2/kg material 49
8.3
Embodied Energy, MJ/kg 760
150

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 14
51
Thermal Diffusivity, mm2/s 190
81

Comparable Variants