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50Cr-50Ni-Cb Alloy vs. EN 1.7390 Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while EN 1.7390 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-Cb alloy and the bottom bar is EN 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.6
16
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
74
Tensile Strength: Ultimate (UTS), MPa 620
710
Tensile Strength: Yield (Proof), MPa 390
480

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
4.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 9.2
1.7
Embodied Energy, MJ/kg 130
23
Embodied Water, L/kg 350
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
100
Resilience: Unit (Modulus of Resilience), kJ/m3 370
600
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
23
Thermal Shock Resistance, points 14
20

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.18
Chromium (Cr), % 47 to 52
4.0 to 6.0
Iron (Fe), % 0 to 1.0
91.9 to 95.3
Manganese (Mn), % 0 to 0.3
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 43.3 to 51.6
0
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.5
0