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50Cr-50Ni-Cb Alloy vs. S15700 Stainless Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while S15700 stainless steel belongs to the iron alloys. They have a modest 23% 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-Cb alloy and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.6
1.1 to 29
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
1180 to 1890
Tensile Strength: Yield (Proof), MPa 390
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 9.2
3.4
Embodied Energy, MJ/kg 130
47
Embodied Water, L/kg 350
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 370
640 to 4660
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
42 to 67
Strength to Weight: Bending, points 20
32 to 43
Thermal Shock Resistance, points 14
39 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.25
0.75 to 1.5
Carbon (C), % 0 to 0.1
0 to 0.090
Chromium (Cr), % 47 to 52
14 to 16
Iron (Fe), % 0 to 1.0
69.6 to 76.8
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 43.3 to 51.6
6.5 to 7.7
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0