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R05255 Alloy vs. ASTM B631 Class A

Both R05255 alloy and ASTM B631 class A are otherwise unclassified metals. There are 11 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is R05255 alloy and the bottom bar is ASTM B631 class A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 70
85 to 86

Thermal Properties

Latent Heat of Fusion, J/g 140
160
Specific Heat Capacity, J/kg-K 140
160
Thermal Conductivity, W/m-K 59
420
Thermal Expansion, µm/m-K 6.6
11

Otherwise Unclassified Properties

Density, g/cm3 17
15

Common Calculations

Stiffness to Weight: Axial, points 6.3
8.5
Stiffness to Weight: Bending, points 11
14
Thermal Diffusivity, mm2/s 25
180