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Grade 705C Zirconium vs. ASTM B631 Class A

Both grade 705C zirconium and ASTM B631 class A are otherwise unclassified metals. There are 12 material properties with values for both materials. Properties with values for just one material (15, 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 grade 705C zirconium and the bottom bar is ASTM B631 class A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
220
Poisson's Ratio 0.34
0.3
Rockwell B Hardness 87
63 to 98
Shear Modulus, GPa 36
85 to 86

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Specific Heat Capacity, J/kg-K 270
160
Thermal Conductivity, W/m-K 18
420
Thermal Expansion, µm/m-K 5.7
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
15

Common Calculations

Stiffness to Weight: Axial, points 8.1
8.5
Stiffness to Weight: Bending, points 23
14
Thermal Diffusivity, mm2/s 9.9
180