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50Cr-50Ni Alloy vs. AISI 440B Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while AISI 440B stainless steel belongs to the iron alloys. There are 20 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 AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
3.0 to 18
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
740 to 1930
Tensile Strength: Yield (Proof), MPa 390
430 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 50
9.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.2
Embodied Energy, MJ/kg 110
31
Embodied Water, L/kg 350
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
57 to 110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
27 to 70
Strength to Weight: Bending, points 20
24 to 45
Thermal Shock Resistance, points 14
27 to 70

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.75 to 1.0
Chromium (Cr), % 48 to 52
16 to 18
Iron (Fe), % 0 to 1.0
78.2 to 83.3
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 44.5 to 52
0
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
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