MakeItFrom.com
Menu (ESC)

R30016 Cobalt vs. EN 1.0254 Steel

R30016 cobalt belongs to the cobalt alloys classification, while EN 1.0254 steel belongs to the iron alloys. There are 28 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 R30016 cobalt and the bottom bar is EN 1.0254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 8.4
27
Fatigue Strength, MPa 290
190
Impact Strength: V-Notched Charpy, J 8.0
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 1010
430
Tensile Strength: Yield (Proof), MPa 580
250

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1270
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 7.7
1.5
Embodied Energy, MJ/kg 110
19
Embodied Water, L/kg 500
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
100
Resilience: Unit (Modulus of Resilience), kJ/m3 770
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
15
Strength to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 24
14

Alloy Composition

Carbon (C), % 0.9 to 1.4
0 to 0.16
Chromium (Cr), % 28 to 32
0 to 0.3
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 3.0
97.2 to 100
Manganese (Mn), % 0.5 to 2.0
0 to 1.2
Molybdenum (Mo), % 0 to 1.5
0 to 0.080
Nickel (Ni), % 0 to 3.0
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.2 to 2.0
0 to 0.35
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.040
Tungsten (W), % 3.5 to 5.5
0
Vanadium (V), % 0
0 to 0.020