MakeItFrom.com
Menu (ESC)

C48500 Brass vs. R30012 Cobalt

C48500 brass belongs to the copper alloys classification, while R30012 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C48500 brass and the bottom bar is R30012 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220
Elongation at Break, % 13 to 40
1.0
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 39
86
Tensile Strength: Ultimate (UTS), MPa 400 to 500
830
Tensile Strength: Yield (Proof), MPa 160 to 320
650

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Melting Completion (Liquidus), °C 900
1470
Melting Onset (Solidus), °C 890
1280
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 29
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 46
120
Embodied Water, L/kg 330
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56 to 140
7.7
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
960
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 14 to 17
26
Strength to Weight: Bending, points 15 to 17
22
Thermal Diffusivity, mm2/s 38
3.8
Thermal Shock Resistance, points 13 to 17
23

Alloy Composition

Carbon (C), % 0
1.4 to 2.0
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
47.5 to 64.1
Copper (Cu), % 59 to 62
0
Iron (Fe), % 0 to 0.1
0 to 3.0
Lead (Pb), % 1.3 to 2.2
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Silicon (Si), % 0
0 to 2.0
Tin (Sn), % 0.5 to 1.0
0
Tungsten (W), % 0
7.5 to 9.5
Zinc (Zn), % 34.3 to 39.2
0
Residuals, % 0 to 0.4
0