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AWS BAg-10 vs. R30008 Cobalt

AWS BAg-10 belongs to the otherwise unclassified metals classification, while R30008 cobalt belongs to the cobalt alloys. There are 15 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-10 and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
210
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 30
83
Tensile Strength: Ultimate (UTS), MPa 140
950 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 130
320
Melting Completion (Liquidus), °C 740
1400
Melting Onset (Solidus), °C 690
1330
Specific Heat Capacity, J/kg-K 280
450
Thermal Expansion, µm/m-K 20
13

Otherwise Unclassified Properties

Density, g/cm3 9.8
8.4

Common Calculations

Stiffness to Weight: Axial, points 4.6
14
Stiffness to Weight: Bending, points 15
24
Strength to Weight: Axial, points 4.0
31 to 56
Strength to Weight: Bending, points 6.1
25 to 37
Thermal Shock Resistance, points 6.2
25 to 44

Alloy Composition

Boron (B), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Copper (Cu), % 19 to 21
0
Iron (Fe), % 0
7.6 to 20
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0
15 to 18
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Silver (Ag), % 69 to 71
0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 8.0 to 12
0
Residuals, % 0 to 0.15
0