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50Cr-50Ni Alloy vs. EN 1.4640 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while EN 1.4640 stainless steel belongs to the iron alloys. They have a modest 26% 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 EN 1.4640 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
620 to 650
Tensile Strength: Yield (Proof), MPa 390
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 50
14
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
2.8
Embodied Energy, MJ/kg 110
40
Embodied Water, L/kg 350
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
250 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 350
150 to 170
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22 to 23
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 14
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.030 to 0.080
Chromium (Cr), % 48 to 52
18 to 19
Copper (Cu), % 0
1.3 to 2.0
Iron (Fe), % 0 to 1.0
67.4 to 73.6
Manganese (Mn), % 0 to 0.3
1.5 to 4.0
Nickel (Ni), % 44.5 to 52
5.5 to 6.9
Nitrogen (N), % 0 to 0.3
0.030 to 0.11
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.5
0