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50Cr-50Ni Alloy vs. EN 1.4658 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while EN 1.4658 stainless steel belongs to the iron alloys. They have a modest 36% 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 (11, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 5.7
28
Poisson's Ratio 0.26
0.27
Shear Modulus, GPa 84
81
Tensile Strength: Ultimate (UTS), MPa 620
900
Tensile Strength: Yield (Proof), MPa 390
730

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
25
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
4.5
Embodied Energy, MJ/kg 110
61
Embodied Water, L/kg 350
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
240
Resilience: Unit (Modulus of Resilience), kJ/m3 350
1280
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 20
26
Thermal Shock Resistance, points 14
24

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 48 to 52
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 0 to 1.0
50.9 to 63.7
Manganese (Mn), % 0 to 0.3
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 44.5 to 52
5.5 to 9.5
Nitrogen (N), % 0 to 0.3
0.3 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.035
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