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EN 1.4729 Stainless Steel vs. 50Cr-50Ni Alloy

EN 1.4729 stainless steel belongs to the iron alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is 50Cr-50Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 15
5.7
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 75
84

Thermal Properties

Latent Heat of Fusion, J/g 300
350
Specific Heat Capacity, J/kg-K 490
490
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
50
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.1
7.9
Embodied Energy, MJ/kg 29
110
Embodied Water, L/kg 100
350

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0.3 to 0.5
0 to 0.1
Chromium (Cr), % 12 to 14
48 to 52
Iron (Fe), % 80.4 to 86.7
0 to 1.0
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
44.5 to 52
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.5