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G-CoCr28 Cobalt vs. Solder Alloy 301

G-CoCr28 cobalt belongs to the cobalt alloys classification, while solder alloy 301 belongs to the otherwise unclassified metals. There are 23 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 G-CoCr28 cobalt and the bottom bar is solder alloy 301.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
40
Elongation at Break, % 6.7
51
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 83
15
Tensile Strength: Ultimate (UTS), MPa 560
55
Tensile Strength: Yield (Proof), MPa 260
49

Thermal Properties

Latent Heat of Fusion, J/g 320
55
Melting Completion (Liquidus), °C 1330
140
Melting Onset (Solidus), °C 1270
140
Specific Heat Capacity, J/kg-K 470
160
Thermal Conductivity, W/m-K 8.5
19
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 6.2
13
Embodied Energy, MJ/kg 84
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
27
Resilience: Unit (Modulus of Resilience), kJ/m3 160
30
Stiffness to Weight: Axial, points 15
2.5
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 19
1.8
Strength to Weight: Bending, points 19
3.7
Thermal Diffusivity, mm2/s 2.2
13
Thermal Shock Resistance, points 14
7.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
56.5 to 59
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.050 to 0.25
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 9.7 to 24.5
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0 to 0.010
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
41 to 43
Zinc (Zn), % 0
0 to 0.0010