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50Cr-50Ni Alloy vs. AISI 431 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while AISI 431 stainless steel belongs to the iron alloys. 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 AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
15 to 17
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
890 to 1380
Tensile Strength: Yield (Proof), MPa 390
710 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
12

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
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 350
1270 to 2770
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
32 to 50
Strength to Weight: Bending, points 20
27 to 36
Thermal Shock Resistance, points 14
28 to 43

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.2
Chromium (Cr), % 48 to 52
15 to 17
Iron (Fe), % 0 to 1.0
78.2 to 83.8
Manganese (Mn), % 0 to 0.3
0 to 1.0
Nickel (Ni), % 44.5 to 52
1.3 to 2.5
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 0.030
Titanium (Ti), % 0 to 0.5
0