MakeItFrom.com
Menu (ESC)

R30605 Cobalt vs. SAE-AISI H19 Steel

R30605 cobalt belongs to the cobalt alloys classification, while SAE-AISI H19 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is SAE-AISI H19 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1410
1540
Melting Onset (Solidus), °C 1330
1490
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 9.6
29
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.2
Embodied Carbon, kg CO2/kg material 9.8
7.5
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 450
110

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 33 to 55
24 to 68
Strength to Weight: Bending, points 25 to 36
22 to 43
Thermal Diffusivity, mm2/s 2.5
7.9
Thermal Shock Resistance, points 31 to 52
21 to 59

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.32 to 0.45
Chromium (Cr), % 19 to 21
4.0 to 4.8
Cobalt (Co), % 46.4 to 57
4.0 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
81.4 to 85.5
Manganese (Mn), % 1.0 to 2.0
0.2 to 0.5
Molybdenum (Mo), % 0
0.3 to 0.55
Nickel (Ni), % 9.0 to 11
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.4
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 14 to 16
3.8 to 4.5
Vanadium (V), % 0
1.8 to 2.2

Comparable Variants