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EN 1.5113 Steel vs. G-CoCr28 Cobalt

EN 1.5113 steel belongs to the iron alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5113 steel and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 18
6.7
Fatigue Strength, MPa 220 to 470
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
83
Tensile Strength: Ultimate (UTS), MPa 580 to 900
560
Tensile Strength: Yield (Proof), MPa 320 to 770
260

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 400
1200
Melting Completion (Liquidus), °C 1450
1330
Melting Onset (Solidus), °C 1410
1270
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 52
8.5
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
100
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.2
Embodied Energy, MJ/kg 19
84
Embodied Water, L/kg 48
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 96
31
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 1570
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 32
19
Strength to Weight: Bending, points 20 to 27
19
Thermal Diffusivity, mm2/s 14
2.2
Thermal Shock Resistance, points 17 to 26
14

Alloy Composition

Carbon (C), % 0 to 0.1
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Iron (Fe), % 97 to 97.5
9.7 to 24.5
Manganese (Mn), % 1.6 to 1.8
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.9 to 1.1
0.5 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.030