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50Cr-50Ni Alloy vs. AISI 384 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while AISI 384 stainless steel belongs to the iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 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 AISI 384 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
480

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 50
20
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
3.7
Embodied Energy, MJ/kg 110
52
Embodied Water, L/kg 350
150

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.040
Chromium (Cr), % 48 to 52
15 to 17
Iron (Fe), % 0 to 1.0
60.9 to 68
Manganese (Mn), % 0 to 0.3
0 to 2.0
Nickel (Ni), % 44.5 to 52
17 to 19
Nitrogen (N), % 0 to 0.3
0
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 0.030
Titanium (Ti), % 0 to 0.5
0