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EN 1.5024 Steel vs. R30003 Cobalt

EN 1.5024 steel belongs to the iron alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.5024 steel and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
83
Tensile Strength: Ultimate (UTS), MPa 670 to 1930
970 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1440
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 50
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
95
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 1.4
8.0
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 45
400

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 69
32 to 57
Strength to Weight: Bending, points 22 to 45
26 to 38
Thermal Diffusivity, mm2/s 14
3.3
Thermal Shock Resistance, points 20 to 58
26 to 45

Alloy Composition

Boron (B), % 0
0 to 0.1
Carbon (C), % 0.42 to 0.5
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Iron (Fe), % 96.7 to 97.6
10 to 20.5
Manganese (Mn), % 0.5 to 0.8
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0
14 to 16
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 1.5 to 2.0
0 to 1.2
Sulfur (S), % 0 to 0.025
0 to 0.015

Comparable Variants