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EN 1.4869 Casting Alloy vs. R30035 Cobalt

EN 1.4869 casting alloy belongs to the nickel alloys classification, while R30035 cobalt belongs to the cobalt alloys. They have 71% of their average alloy composition in common. There are 26 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 1.4869 casting alloy and the bottom bar is R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220 to 230
Elongation at Break, % 5.7
9.0 to 46
Fatigue Strength, MPa 130
170 to 740
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
84 to 89
Tensile Strength: Ultimate (UTS), MPa 540
900 to 1900
Tensile Strength: Yield (Proof), MPa 310
300 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1390
1320
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 10
11
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
100
Density, g/cm3 8.5
8.7
Embodied Carbon, kg CO2/kg material 7.7
10
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 300
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
160 to 320
Resilience: Unit (Modulus of Resilience), kJ/m3 230
210 to 5920
Stiffness to Weight: Axial, points 13
14 to 15
Stiffness to Weight: Bending, points 23
23 to 24
Strength to Weight: Axial, points 18
29 to 61
Strength to Weight: Bending, points 17
24 to 39
Thermal Diffusivity, mm2/s 2.6
3.0
Thermal Shock Resistance, points 14
23 to 46

Alloy Composition

Boron (B), % 0
0 to 0.015
Carbon (C), % 0.45 to 0.55
0 to 0.025
Chromium (Cr), % 24 to 26
19 to 21
Cobalt (Co), % 14 to 16
29.1 to 39
Iron (Fe), % 11.4 to 23.6
0 to 1.0
Manganese (Mn), % 0 to 1.0
0 to 0.15
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 33 to 37
33 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 1.0 to 2.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 4.0 to 6.0
0