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EN 1.4107 Stainless Steel vs. EN 2.4964 Cobalt

EN 1.4107 stainless steel 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4107 stainless steel 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, % 18 to 21
40
Fatigue Strength, MPa 260 to 350
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
86
Tensile Strength: Ultimate (UTS), MPa 620 to 700
960
Tensile Strength: Yield (Proof), MPa 400 to 570
390

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1450
1630
Melting Onset (Solidus), °C 1410
1550
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 27
15
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.8

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.6
Embodied Carbon, kg CO2/kg material 2.1
9.8
Embodied Energy, MJ/kg 30
140
Embodied Water, L/kg 100
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
310
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 22 to 25
28
Strength to Weight: Bending, points 21 to 22
23
Thermal Diffusivity, mm2/s 7.2
3.9
Thermal Shock Resistance, points 22 to 25
25

Alloy Composition

Carbon (C), % 0 to 0.1
0.050 to 0.15
Chromium (Cr), % 11.5 to 12.5
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 83.8 to 87.2
0 to 3.0
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0.8 to 1.5
9.0 to 11
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0 to 0.080
0