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EN 1.7321 Steel vs. 50Cr-50Ni Alloy

EN 1.7321 steel belongs to the iron alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. There are 17 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 EN 1.7321 steel and the bottom bar is 50Cr-50Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 490 to 1460
620

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
50
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.5
7.9
Embodied Energy, MJ/kg 20
110
Embodied Water, L/kg 50
350

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 52
21
Strength to Weight: Bending, points 18 to 36
20
Thermal Shock Resistance, points 14 to 43
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0.17 to 0.23
0 to 0.1
Chromium (Cr), % 0.3 to 0.6
48 to 52
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.1 to 98.4
0 to 1.0
Manganese (Mn), % 0.7 to 1.0
0 to 0.3
Molybdenum (Mo), % 0.4 to 0.5
0
Nickel (Ni), % 0
44.5 to 52
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Titanium (Ti), % 0
0 to 0.5