MakeItFrom.com
Menu (ESC)

Nickel 625 vs. R30155 Cobalt

Nickel 625 belongs to the nickel alloys classification, while R30155 cobalt belongs to the iron alloys. They have 49% of their average alloy composition in common. There are 28 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 nickel 625 and the bottom bar is R30155 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 33 to 34
34
Fatigue Strength, MPa 240 to 320
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
81
Shear Strength, MPa 530 to 600
570
Tensile Strength: Ultimate (UTS), MPa 790 to 910
850
Tensile Strength: Yield (Proof), MPa 320 to 450
390

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1350
1470
Melting Onset (Solidus), °C 1290
1420
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 80
80
Density, g/cm3 8.6
8.5
Embodied Carbon, kg CO2/kg material 14
9.7
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 290
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
230
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 29
28
Strength to Weight: Bending, points 22 to 24
24
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 22 to 25
21

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.080 to 0.16
Chromium (Cr), % 20 to 23
20 to 22.5
Cobalt (Co), % 0 to 1.0
18.5 to 21
Iron (Fe), % 0 to 5.0
24.3 to 36.2
Manganese (Mn), % 0 to 0.5
1.0 to 2.0
Molybdenum (Mo), % 8.0 to 10
2.5 to 3.5
Nickel (Ni), % 58 to 68.9
19 to 21
Niobium (Nb), % 3.2 to 4.2
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0.75 to 1.3
Titanium (Ti), % 0 to 0.4
0
Tungsten (W), % 0
2.0 to 3.0