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ASTM B596 Au-Cu vs. ASTM B631 Class C

Both ASTM B596 Au-Cu and ASTM B631 class C are otherwise unclassified metals. There are 12 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B596 Au-Cu and the bottom bar is ASTM B631 class C.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
180 to 190
Poisson's Ratio 0.41
0.32
Shear Modulus, GPa 36
66 to 71

Thermal Properties

Latent Heat of Fusion, J/g 77
140 to 150
Melting Completion (Liquidus), °C 1060
2090 to 2230
Specific Heat Capacity, J/kg-K 150
180
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
55 to 63
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
36 to 43

Otherwise Unclassified Properties

Density, g/cm3 18
13 to 14

Common Calculations

Stiffness to Weight: Axial, points 3.1
7.4 to 7.6
Stiffness to Weight: Bending, points 8.5
14