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EN 1.3519 Steel vs. G-CoCr28 Cobalt

EN 1.3519 steel belongs to the iron alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.3519 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 620 to 730
560

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 430
1200
Melting Completion (Liquidus), °C 1440
1330
Melting Onset (Solidus), °C 1400
1270
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 43
8.5
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
100
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
6.2
Embodied Energy, MJ/kg 21
84
Embodied Water, L/kg 55
440

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 26
19
Strength to Weight: Bending, points 21 to 23
19
Thermal Diffusivity, mm2/s 12
2.2
Thermal Shock Resistance, points 18 to 22
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.050 to 0.25
Chromium (Cr), % 1.4 to 1.7
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.4 to 96.8
9.7 to 24.5
Manganese (Mn), % 1.4 to 1.7
0 to 1.5
Molybdenum (Mo), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.45 to 0.75
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030