MakeItFrom.com
Menu (ESC)

ASTM B522 Class II vs. R30605 Cobalt

ASTM B522 class II belongs to the otherwise unclassified metals classification, while R30605 cobalt belongs to the cobalt alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM B522 class II and the bottom bar is R30605 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
210
Elongation at Break, % 1.1 to 28
34
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 34
81
Tensile Strength: Ultimate (UTS), MPa 280 to 490
1130 to 1900
Tensile Strength: Yield (Proof), MPa 120 to 210
470 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 77
290
Melting Completion (Liquidus), °C 1030
1410
Melting Onset (Solidus), °C 1030
1330
Specific Heat Capacity, J/kg-K 160
410
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.7
1.8

Otherwise Unclassified Properties

Density, g/cm3 17
9.6

Common Calculations

Stiffness to Weight: Axial, points 3.1
12
Stiffness to Weight: Bending, points 8.9
21
Strength to Weight: Axial, points 4.4 to 7.8
33 to 55
Strength to Weight: Bending, points 5.5 to 8.0
25 to 36
Thermal Shock Resistance, points 13 to 24
31 to 52

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 57
Gold (Au), % 68.5 to 69.5
0
Iron (Fe), % 0
0 to 3.0
Manganese (Mn), % 0
1.0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.040
Platinum (Pt), % 5.5 to 6.5
0
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 24.5 to 25.5
0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
14 to 16
Residuals, % 0 to 0.26
0

Comparable Variants