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EN 1.7376 Steel vs. R30016 Cobalt

EN 1.7376 steel belongs to the iron alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7376 steel and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 20
8.4
Fatigue Strength, MPa 320
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
85
Tensile Strength: Ultimate (UTS), MPa 710
1010
Tensile Strength: Yield (Proof), MPa 460
580

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1410
1270
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.1
7.7
Embodied Energy, MJ/kg 29
110
Embodied Water, L/kg 88
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
72
Resilience: Unit (Modulus of Resilience), kJ/m3 560
770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
33
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 6.9
3.9
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0.12 to 0.19
0.9 to 1.4
Chromium (Cr), % 8.0 to 10
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.2 to 90.6
0 to 3.0
Manganese (Mn), % 0.35 to 0.65
0.5 to 2.0
Molybdenum (Mo), % 0.9 to 1.2
0 to 1.5
Nickel (Ni), % 0 to 0.4
0 to 3.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0.2 to 2.0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0
3.5 to 5.5
Vanadium (V), % 0 to 0.050
0