MakeItFrom.com
Menu (ESC)

EN 2.4964 Cobalt vs. AWS E33-31

EN 2.4964 cobalt belongs to the cobalt alloys classification, while AWS E33-31 belongs to the iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 40
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 86
81
Tensile Strength: Ultimate (UTS), MPa 960
810

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1630
1380
Melting Onset (Solidus), °C 1550
1330
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.9
Embodied Carbon, kg CO2/kg material 9.8
6.0
Embodied Energy, MJ/kg 140
86
Embodied Water, L/kg 450
260

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
28
Strength to Weight: Bending, points 23
24
Thermal Shock Resistance, points 25
19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 19 to 21
31 to 35
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0.4 to 0.8
Iron (Fe), % 0 to 3.0
24.7 to 34.8
Manganese (Mn), % 0 to 2.0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 9.0 to 11
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.9
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 14 to 16
0