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R30016 Cobalt vs. ASTM A369 Grade FP92

R30016 cobalt belongs to the cobalt alloys classification, while ASTM A369 grade FP92 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is ASTM A369 grade FP92.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 8.4
19
Fatigue Strength, MPa 290
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 85
76
Tensile Strength: Ultimate (UTS), MPa 1010
710
Tensile Strength: Yield (Proof), MPa 580
490

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1360
1490
Melting Onset (Solidus), °C 1270
1450
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
10

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 110
40
Embodied Water, L/kg 500
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
120
Resilience: Unit (Modulus of Resilience), kJ/m3 770
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
25
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 3.9
6.9
Thermal Shock Resistance, points 24
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0.9 to 1.4
0.070 to 0.13
Chromium (Cr), % 28 to 32
8.5 to 9.5
Cobalt (Co), % 49.6 to 66.9
0
Iron (Fe), % 0 to 3.0
85.8 to 89.1
Manganese (Mn), % 0.5 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 1.5
0.3 to 0.6
Nickel (Ni), % 0 to 3.0
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.2 to 2.0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 3.5 to 5.5
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010