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EN 1.4150 Stainless Steel vs. R30001 Cobalt

EN 1.4150 stainless steel belongs to the iron alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4150 stainless steel and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 20
1.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
86
Tensile Strength: Ultimate (UTS), MPa 730
620

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Melting Completion (Liquidus), °C 1420
1530
Melting Onset (Solidus), °C 1380
1260
Specific Heat Capacity, J/kg-K 490
430
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.8

Otherwise Unclassified Properties

Density, g/cm3 7.6
9.0
Embodied Carbon, kg CO2/kg material 2.8
8.9
Embodied Energy, MJ/kg 42
130
Embodied Water, L/kg 120
460

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 6.2
3.7
Thermal Shock Resistance, points 27
19

Alloy Composition

Carbon (C), % 0.45 to 0.6
2.0 to 3.0
Chromium (Cr), % 15 to 16.5
28 to 32
Cobalt (Co), % 0
43 to 59
Iron (Fe), % 79 to 82.8
0 to 3.0
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.2 to 0.4
0 to 1.0
Nickel (Ni), % 0 to 0.4
0 to 3.0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.3 to 1.7
0 to 2.0
Sulfur (S), % 0 to 0.010
0
Tungsten (W), % 0
11 to 13
Vanadium (V), % 0.2 to 0.4
0