MakeItFrom.com
Menu (ESC)

R30155 Cobalt vs. EN 1.4910 Stainless Steel

Both R30155 cobalt and EN 1.4910 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R30155 cobalt and the bottom bar is EN 1.4910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
41
Fatigue Strength, MPa 310
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 570
450
Tensile Strength: Ultimate (UTS), MPa 850
650
Tensile Strength: Yield (Proof), MPa 390
290

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 570
410
Maximum Temperature: Mechanical, °C 1100
950
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 80
20
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 9.7
3.9
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 300
150

Common Calculations

PREN (Pitting Resistance) 37
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
220
Resilience: Unit (Modulus of Resilience), kJ/m3 370
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 21
14

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0.080 to 0.16
0 to 0.040
Chromium (Cr), % 20 to 22.5
16 to 18
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 36.2
62 to 69.9
Manganese (Mn), % 1.0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
2.0 to 3.0
Nickel (Ni), % 19 to 21
12 to 14
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.2
0.1 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0.75 to 1.3
0
Tungsten (W), % 2.0 to 3.0
0