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50Cr-50Ni Alloy vs. S31260 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while S31260 stainless steel belongs to the iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 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 50Cr-50Ni alloy and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
23
Poisson's Ratio 0.26
0.27
Shear Modulus, GPa 84
80
Tensile Strength: Ultimate (UTS), MPa 620
790
Tensile Strength: Yield (Proof), MPa 390
540

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
20
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
3.9
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 350
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
160
Resilience: Unit (Modulus of Resilience), kJ/m3 350
720
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 48 to 52
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 0 to 1.0
59.6 to 67.6
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 44.5 to 52
5.5 to 7.5
Nitrogen (N), % 0 to 0.3
0.1 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0
Tungsten (W), % 0
0.1 to 0.5