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ASTM A182 Grade F10 vs. R31537 Cobalt

ASTM A182 grade F10 belongs to the iron alloys classification, while R31537 cobalt belongs to the cobalt alloys. There are 26 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 ASTM A182 grade F10 and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 34
14 to 23
Fatigue Strength, MPa 180
310 to 480
Poisson's Ratio 0.29
0.29
Reduction in Area, % 56
13 to 23
Shear Modulus, GPa 74
87
Tensile Strength: Ultimate (UTS), MPa 630
1000 to 1340
Tensile Strength: Yield (Proof), MPa 230
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1370
1290
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.1

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 3.6
8.1
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 120
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 140
780 to 1990
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
33 to 44
Strength to Weight: Bending, points 21
26 to 32
Thermal Shock Resistance, points 18
24 to 32

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.14
Chromium (Cr), % 7.0 to 9.0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Iron (Fe), % 66.5 to 72.4
0 to 0.75
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 19 to 22
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 1.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0