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EN 1.6522 Steel vs. R30008 Cobalt

EN 1.6522 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 1.6522 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 73
83
Tensile Strength: Ultimate (UTS), MPa 500 to 1460
950 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
95
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.5
8.1
Embodied Energy, MJ/kg 20
110
Embodied Water, L/kg 51
400

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 52
31 to 56
Strength to Weight: Bending, points 18 to 36
25 to 37
Thermal Shock Resistance, points 15 to 43
25 to 44

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0.17 to 0.23
0 to 0.15
Chromium (Cr), % 0.35 to 0.7
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.6 to 98.5
7.6 to 20
Manganese (Mn), % 0.6 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
6.5 to 7.5
Nickel (Ni), % 0.4 to 0.7
15 to 18
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.015

Comparable Variants