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50Cr-50Ni Alloy vs. AISI 439 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while AISI 439 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
23
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
490
Tensile Strength: Yield (Proof), MPa 390
250

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
11

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
2.3
Embodied Energy, MJ/kg 110
34
Embodied Water, L/kg 350
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
95
Resilience: Unit (Modulus of Resilience), kJ/m3 350
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0 to 0.25
0 to 0.15
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 48 to 52
17 to 19
Iron (Fe), % 0 to 1.0
77.1 to 82.8
Manganese (Mn), % 0 to 0.3
0 to 1.0
Nickel (Ni), % 44.5 to 52
0 to 0.5
Nitrogen (N), % 0 to 0.3
0 to 0.030
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
0.2 to 1.1