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50Cr-50Ni Alloy vs. AISI 317 Stainless Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while AISI 317 stainless steel belongs to the iron alloys. They have a modest 33% 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 AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
35 to 55
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
79
Tensile Strength: Ultimate (UTS), MPa 620
580 to 710
Tensile Strength: Yield (Proof), MPa 390
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 50
21
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
4.3
Embodied Energy, MJ/kg 110
59
Embodied Water, L/kg 350
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 350
150 to 430
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
20 to 25
Strength to Weight: Bending, points 20
20 to 22
Thermal Shock Resistance, points 14
12 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 48 to 52
18 to 20
Iron (Fe), % 0 to 1.0
58 to 68
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 44.5 to 52
11 to 15
Nitrogen (N), % 0 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0