MakeItFrom.com
Menu (ESC)

EN 1.8507 Steel vs. R30816 Cobalt

EN 1.8507 steel belongs to the iron alloys classification, while R30816 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.8507 steel and the bottom bar is R30816 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
280
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
23
Fatigue Strength, MPa 440
250
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 900
1020
Tensile Strength: Yield (Proof), MPa 670
460

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1450
1540
Melting Onset (Solidus), °C 1410
1460
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 41
13
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 1.6
20
Embodied Energy, MJ/kg 21
320
Embodied Water, L/kg 63
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 32
31
Strength to Weight: Bending, points 27
25
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 26
28

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0.32 to 0.42
Chromium (Cr), % 1.0 to 1.3
19 to 21
Cobalt (Co), % 0
40 to 49.8
Iron (Fe), % 96.1 to 97.7
0 to 5.0
Manganese (Mn), % 0.4 to 0.7
1.0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
3.5 to 4.5
Nickel (Ni), % 0
19 to 21
Niobium (Nb), % 0
3.5 to 4.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030
Tantalum (Ta), % 0
3.5 to 4.5
Tungsten (W), % 0
3.5 to 4.5