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EN 1.5026 Steel vs. R30008 Cobalt

EN 1.5026 steel belongs to the iron alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.5026 steel and the bottom bar is R30008 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 660 to 1980
950 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
95
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 1.5
8.1
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 46
400

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 71
31 to 56
Strength to Weight: Bending, points 22 to 45
25 to 37
Thermal Shock Resistance, points 20 to 60
25 to 44

Alloy Composition

Boron (B), % 0
0 to 0.0010
Carbon (C), % 0.52 to 0.6
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Iron (Fe), % 96.5 to 97.3
7.6 to 20
Manganese (Mn), % 0.6 to 0.9
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0
15 to 18
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 1.6 to 2.0
0 to 1.2
Sulfur (S), % 0 to 0.025
0 to 0.015

Comparable Variants