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50Cr-50Ni Alloy vs. S31277 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while S31277 stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 5.7
45
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
80
Tensile Strength: Ultimate (UTS), MPa 620
860
Tensile Strength: Yield (Proof), MPa 390
410

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 50
36
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 7.9
6.7
Embodied Energy, MJ/kg 110
90
Embodied Water, L/kg 350
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
320
Resilience: Unit (Modulus of Resilience), kJ/m3 350
410
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.020
Chromium (Cr), % 48 to 52
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 0 to 1.0
35.5 to 46.2
Manganese (Mn), % 0 to 0.3
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 44.5 to 52
26 to 28
Nitrogen (N), % 0 to 0.3
0.3 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0 to 0.5
0