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50Cr-50Ni Alloy vs. EN 1.4578 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while EN 1.4578 stainless steel belongs to the iron alloys. They have a modest 29% 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 (13, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is EN 1.4578 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
51
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
550
Tensile Strength: Yield (Proof), MPa 390
200

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 50
19
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
3.7
Embodied Energy, MJ/kg 110
51
Embodied Water, L/kg 350
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
220
Resilience: Unit (Modulus of Resilience), kJ/m3 350
100
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.040
Chromium (Cr), % 48 to 52
16.5 to 17.5
Copper (Cu), % 0
3.0 to 3.5
Iron (Fe), % 0 to 1.0
62.3 to 68.5
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 44.5 to 52
10 to 11
Nitrogen (N), % 0 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
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