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ASTM A182 Grade F911 vs. R30016 Cobalt

ASTM A182 grade F911 belongs to the iron alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 28 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F911 and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 20
8.4
Fatigue Strength, MPa 350
290
Poisson's Ratio 0.28
0.28
Reduction in Area, % 46
8.0
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 690
1010
Tensile Strength: Yield (Proof), MPa 500
580

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1480
1360
Melting Onset (Solidus), °C 1440
1270
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.8
7.7
Embodied Energy, MJ/kg 40
110
Embodied Water, L/kg 90
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
72
Resilience: Unit (Modulus of Resilience), kJ/m3 650
770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
33
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 6.9
3.9
Thermal Shock Resistance, points 19
24

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.00030 to 0.0060
0
Carbon (C), % 0.090 to 0.13
0.9 to 1.4
Chromium (Cr), % 8.5 to 9.5
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Iron (Fe), % 86.2 to 88.9
0 to 3.0
Manganese (Mn), % 0.3 to 0.6
0.5 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 1.5
Nickel (Ni), % 0 to 0.4
0 to 3.0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.040 to 0.090
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0.1 to 0.5
0.2 to 2.0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0.9 to 1.1
3.5 to 5.5
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0