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50Cr-50Ni Alloy vs. S30815 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while S30815 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 (14, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
45
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
680
Tensile Strength: Yield (Proof), MPa 390
350

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Specific Heat Capacity, J/kg-K 490
490
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 50
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.9
3.3
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 350
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
260
Resilience: Unit (Modulus of Resilience), kJ/m3 350
310
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 48 to 52
20 to 22
Iron (Fe), % 0 to 1.0
62.8 to 68.4
Manganese (Mn), % 0 to 0.3
0 to 0.8
Nickel (Ni), % 44.5 to 52
10 to 12
Nitrogen (N), % 0 to 0.3
0.14 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
1.4 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0