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EN 1.7362 Steel vs. R30006 Cobalt

EN 1.7362 steel belongs to the iron alloys classification, while R30006 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 1.7362 steel and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 21 to 22
1.0
Fatigue Strength, MPa 140 to 250
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
85
Tensile Strength: Ultimate (UTS), MPa 510 to 600
900
Tensile Strength: Yield (Proof), MPa 200 to 360
540

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1290
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
1.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.8
7.8
Embodied Energy, MJ/kg 23
110
Embodied Water, L/kg 69
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 340
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18 to 21
29
Strength to Weight: Bending, points 18 to 20
24
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 14 to 17
26

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.9 to 1.4
Chromium (Cr), % 4.0 to 6.0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.5 to 95.2
0 to 3.0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.45 to 0.65
0 to 1.0
Nickel (Ni), % 0 to 0.3
0 to 3.0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.0050
0
Tungsten (W), % 0
4.0 to 6.0