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ASTM A182 Grade F92 vs. R31233 Cobalt

ASTM A182 grade F92 belongs to the iron alloys classification, while R31233 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F92 and the bottom bar is R31233 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 22
17
Fatigue Strength, MPa 360
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 690
1020
Tensile Strength: Yield (Proof), MPa 500
420

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1490
1350
Melting Onset (Solidus), °C 1450
1330
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.1

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 2.8
8.4
Embodied Energy, MJ/kg 40
110
Embodied Water, L/kg 89
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 650
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24
33
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 6.9
3.2
Thermal Shock Resistance, points 19
25

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0 to 0.015
Carbon (C), % 0.070 to 0.13
0.020 to 0.1
Chromium (Cr), % 8.5 to 9.5
23.5 to 27.5
Cobalt (Co), % 0
44.7 to 63.3
Iron (Fe), % 85.8 to 89.1
1.0 to 5.0
Manganese (Mn), % 0.3 to 0.6
0.1 to 1.5
Molybdenum (Mo), % 0.3 to 0.6
4.0 to 6.0
Nickel (Ni), % 0 to 0.4
7.0 to 11
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0.030 to 0.12
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.050 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
1.0 to 3.0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0