MakeItFrom.com
Menu (ESC)

AWS E2594 vs. R30816 Cobalt

AWS E2594 belongs to the iron alloys classification, while R30816 cobalt belongs to the cobalt alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 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 AWS E2594 and the bottom bar is R30816 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 17
23
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 850
1020

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1440
1540
Melting Onset (Solidus), °C 1400
1460
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 4.3
20
Embodied Energy, MJ/kg 60
320
Embodied Water, L/kg 190
440

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 30
31
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 4.3
3.3
Thermal Shock Resistance, points 21
28

Alloy Composition

Carbon (C), % 0 to 0.040
0.32 to 0.42
Chromium (Cr), % 24 to 27
19 to 21
Cobalt (Co), % 0
40 to 49.8
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.8 to 63.8
0 to 5.0
Manganese (Mn), % 0.5 to 2.0
1.0 to 2.0
Molybdenum (Mo), % 3.5 to 4.5
3.5 to 4.5
Nickel (Ni), % 8.0 to 10.5
19 to 21
Niobium (Nb), % 0
3.5 to 4.5
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
3.5 to 4.5
Tungsten (W), % 0
3.5 to 4.5