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50Cr-50Ni Alloy vs. S43940 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while S43940 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
21
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
490
Tensile Strength: Yield (Proof), MPa 390
280

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 50
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.6
Embodied Energy, MJ/kg 110
38
Embodied Water, L/kg 350
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
86
Resilience: Unit (Modulus of Resilience), kJ/m3 350
200
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 48 to 52
17.5 to 18.5
Iron (Fe), % 0 to 1.0
78.2 to 82.1
Manganese (Mn), % 0 to 0.3
0 to 1.0
Nickel (Ni), % 44.5 to 52
0
Niobium (Nb), % 0
0.3 to 0.6
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.5
0.1 to 0.6