MakeItFrom.com
Menu (ESC)

SAE-AISI 1065 Steel vs. R30003 Cobalt

SAE-AISI 1065 steel belongs to the iron alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1065 steel and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 14
10 to 73
Fatigue Strength, MPa 270 to 340
320 to 560
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
83
Tensile Strength: Ultimate (UTS), MPa 710 to 780
970 to 1720
Tensile Strength: Yield (Proof), MPa 430 to 550
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 51
13
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
95
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.4
8.0
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 46
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 820
600 to 2790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
32 to 57
Strength to Weight: Bending, points 23 to 24
26 to 38
Thermal Diffusivity, mm2/s 14
3.3
Thermal Shock Resistance, points 25 to 27
26 to 45

Alloy Composition

Boron (B), % 0
0 to 0.1
Carbon (C), % 0.6 to 0.7
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Iron (Fe), % 98.3 to 98.8
10 to 20.5
Manganese (Mn), % 0.6 to 0.9
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0
14 to 16
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0 to 0.050
0 to 0.015