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R30155 Cobalt vs. EN 1.4110 Stainless Steel

Both R30155 cobalt and EN 1.4110 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 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 1.4110 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
11 to 14
Fatigue Strength, MPa 310
250 to 730
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 570
470 to 1030
Tensile Strength: Ultimate (UTS), MPa 850
770 to 1720
Tensile Strength: Yield (Proof), MPa 390
430 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 570
390
Maximum Temperature: Mechanical, °C 1100
790
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 80
8.0
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 9.7
2.3
Embodied Energy, MJ/kg 150
33
Embodied Water, L/kg 300
110

Common Calculations

PREN (Pitting Resistance) 37
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
90 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 370
480 to 4550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
28 to 62
Strength to Weight: Bending, points 24
24 to 41
Thermal Diffusivity, mm2/s 3.2
8.1
Thermal Shock Resistance, points 21
27 to 60

Alloy Composition

Carbon (C), % 0.080 to 0.16
0.48 to 0.6
Chromium (Cr), % 20 to 22.5
13 to 15
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 36.2
81.4 to 86
Manganese (Mn), % 1.0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0.5 to 0.8
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
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
Vanadium (V), % 0
0 to 0.15