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EN 1.5026 Steel vs. G-CoCr28 Cobalt

EN 1.5026 steel belongs to the iron alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.5026 steel and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
83
Tensile Strength: Ultimate (UTS), MPa 660 to 1980
560

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 400
1200
Melting Completion (Liquidus), °C 1440
1330
Melting Onset (Solidus), °C 1390
1270
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 47
8.5
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
100
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 1.5
6.2
Embodied Energy, MJ/kg 19
84
Embodied Water, L/kg 46
440

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 71
19
Strength to Weight: Bending, points 22 to 45
19
Thermal Diffusivity, mm2/s 13
2.2
Thermal Shock Resistance, points 20 to 60
14

Alloy Composition

Carbon (C), % 0.52 to 0.6
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Iron (Fe), % 96.5 to 97.3
9.7 to 24.5
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.6 to 2.0
0.5 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.030