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R30155 Cobalt vs. ASTM A210 Steel

Both R30155 cobalt and ASTM A210 steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R30155 cobalt and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
34
Fatigue Strength, MPa 310
230 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 570
320 to 360
Tensile Strength: Ultimate (UTS), MPa 850
470 to 540
Tensile Strength: Yield (Proof), MPa 390
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1470
1460 to 1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 12
52 to 53
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
1.8
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 9.7
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 300
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 370
230 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
17 to 19
Strength to Weight: Bending, points 24
17 to 19
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 21
15 to 17