MakeItFrom.com
Menu (ESC)

Annealed R30075 Cobalt vs. Annealed AISI W1

Annealed R30075 cobalt belongs to the cobalt alloys classification, while annealed AISI W1 belongs to the iron alloys. There are 27 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 annealed R30075 cobalt and the bottom bar is annealed AISI W1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 12
23
Fatigue Strength, MPa 260
240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 82
72
Tensile Strength: Ultimate (UTS), MPa 780
590
Tensile Strength: Yield (Proof), MPa 480
330

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1290
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
48
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.2

Otherwise Unclassified Properties

Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.6
Embodied Energy, MJ/kg 110
21
Embodied Water, L/kg 530
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
120
Resilience: Unit (Modulus of Resilience), kJ/m3 560
290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.5
13
Thermal Shock Resistance, points 21
22

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.35
0.7 to 1.5
Chromium (Cr), % 27 to 30
0 to 0.15
Cobalt (Co), % 58.7 to 68
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0 to 0.75
96.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.35 to 0.73
Molybdenum (Mo), % 5.0 to 7.0
0 to 0.1
Nickel (Ni), % 0 to 0.5
0 to 0.2
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0 to 0.2
0 to 0.15
Vanadium (V), % 0
0 to 0.1