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R05255 Alloy vs. 50Cr-50Ni-Cb Alloy

Both R05255 alloy and 50Cr-50Ni-Cb alloy are otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (5, 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 R05255 alloy and the bottom bar is 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
5.6
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 70
84
Tensile Strength: Ultimate (UTS), MPa 540
620
Tensile Strength: Yield (Proof), MPa 450
390

Thermal Properties

Latent Heat of Fusion, J/g 140
350
Specific Heat Capacity, J/kg-K 140
480
Thermal Expansion, µm/m-K 6.6
15

Otherwise Unclassified Properties

Density, g/cm3 17
8.0
Embodied Water, L/kg 630
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
30
Resilience: Unit (Modulus of Resilience), kJ/m3 530
370
Stiffness to Weight: Axial, points 6.3
15
Stiffness to Weight: Bending, points 11
25
Strength to Weight: Axial, points 9.1
21
Strength to Weight: Bending, points 8.9
20
Thermal Shock Resistance, points 31
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0 to 0.010
0 to 0.1
Chromium (Cr), % 0
47 to 52
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 1.0
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
43.3 to 51.6
Niobium (Nb), % 0 to 0.5
1.4 to 1.7
Nitrogen (N), % 0 to 0.010
0 to 0.16
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.0050
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 95.9 to 98
0
Titanium (Ti), % 0 to 0.010
0 to 0.5
Tungsten (W), % 2.0 to 3.5
0