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ASTM A182 Grade F122 vs. EN 2.4964 Cobalt

ASTM A182 grade F122 belongs to the iron alloys classification, while EN 2.4964 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 F122 and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 23
40
Fatigue Strength, MPa 320
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
86
Tensile Strength: Ultimate (UTS), MPa 710
960
Tensile Strength: Yield (Proof), MPa 450
390

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1490
1630
Melting Onset (Solidus), °C 1440
1550
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.0
9.6
Embodied Carbon, kg CO2/kg material 3.0
9.8
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 100
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
310
Resilience: Unit (Modulus of Resilience), kJ/m3 520
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 6.4
3.9
Thermal Shock Resistance, points 19
25

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0.050 to 0.15
Chromium (Cr), % 10 to 11.5
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 0.3 to 1.7
0
Iron (Fe), % 81.3 to 87.7
0 to 3.0
Manganese (Mn), % 0 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.25 to 0.6
0
Nickel (Ni), % 0 to 0.5
9.0 to 11
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
14 to 16
Vanadium (V), % 0.15 to 0.3
0
Zirconium (Zr), % 0 to 0.010
0