MakeItFrom.com
Menu (ESC)

R30155 Cobalt vs. C48600 Brass

R30155 cobalt belongs to the iron alloys classification, while C48600 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30155 cobalt and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 34
20 to 25
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 81
39
Shear Strength, MPa 570
180 to 230
Tensile Strength: Ultimate (UTS), MPa 850
280 to 360
Tensile Strength: Yield (Proof), MPa 390
110 to 170

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1470
900
Melting Onset (Solidus), °C 1420
890
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Base Metal Price, % relative 80
24
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 9.7
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 300
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
55 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 370
61 to 140
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 28
9.5 to 12
Strength to Weight: Bending, points 24
12 to 14
Thermal Diffusivity, mm2/s 3.2
36
Thermal Shock Resistance, points 21
9.3 to 12

Alloy Composition

Arsenic (As), % 0
0.020 to 0.25
Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
59 to 62
Iron (Fe), % 24.3 to 36.2
0
Lead (Pb), % 0
1.0 to 2.5
Manganese (Mn), % 1.0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0.75 to 1.3
0
Tin (Sn), % 0
0.3 to 1.5
Tungsten (W), % 2.0 to 3.0
0
Zinc (Zn), % 0
33.4 to 39.7
Residuals, % 0
0 to 0.4