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G-CoCr28 Cobalt vs. SAE-AISI 1016 Steel

G-CoCr28 cobalt belongs to the cobalt alloys classification, while SAE-AISI 1016 steel belongs to the iron alloys. There are 27 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 G-CoCr28 cobalt and the bottom bar is SAE-AISI 1016 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 6.7
21 to 28
Fatigue Strength, MPa 130
180 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 83
73
Tensile Strength: Ultimate (UTS), MPa 560
430 to 480
Tensile Strength: Yield (Proof), MPa 260
240 to 390

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1200
400
Melting Completion (Liquidus), °C 1330
1460
Melting Onset (Solidus), °C 1270
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 8.5
52
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 100
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
1.4
Embodied Energy, MJ/kg 84
18
Embodied Water, L/kg 440
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
150 to 410
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
15 to 17
Strength to Weight: Bending, points 19
16 to 17
Thermal Diffusivity, mm2/s 2.2
14
Thermal Shock Resistance, points 14
13 to 15

Alloy Composition

Carbon (C), % 0.050 to 0.25
0.13 to 0.18
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Iron (Fe), % 9.7 to 24.5
98.8 to 99.27
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0
Sulfur (S), % 0 to 0.030
0 to 0.050