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50Cr-50Ni Alloy vs. S82012 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while S82012 stainless steel belongs to the iron alloys. They have a modest 22% 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 S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
40
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 620
800
Tensile Strength: Yield (Proof), MPa 390
560

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
11
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.4
Embodied Energy, MJ/kg 110
35
Embodied Water, L/kg 350
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
290
Resilience: Unit (Modulus of Resilience), kJ/m3 350
790
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 48 to 52
19 to 20.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 0 to 1.0
71.3 to 77.9
Manganese (Mn), % 0 to 0.3
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 44.5 to 52
0.8 to 1.5
Nitrogen (N), % 0 to 0.3
0.16 to 0.26
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.0050
Titanium (Ti), % 0 to 0.5
0