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AWS BAg-2 vs. C90900 Bronze

AWS BAg-2 belongs to the otherwise unclassified metals classification, while C90900 bronze belongs to the copper alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-2 and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 31
40
Tensile Strength: Ultimate (UTS), MPa 180
280

Thermal Properties

Latent Heat of Fusion, J/g 130
190
Melting Completion (Liquidus), °C 700
980
Melting Onset (Solidus), °C 610
820
Specific Heat Capacity, J/kg-K 310
360
Thermal Expansion, µm/m-K 22
18

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 35
3.9
Embodied Energy, MJ/kg 550
64

Common Calculations

Stiffness to Weight: Axial, points 5.1
6.8
Stiffness to Weight: Bending, points 16
18
Strength to Weight: Axial, points 5.6
8.8
Strength to Weight: Bending, points 7.9
11
Thermal Shock Resistance, points 7.0
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Cadmium (Cd), % 17 to 19
0
Copper (Cu), % 25 to 27
86 to 89
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 34 to 36
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 19 to 23
0 to 0.25
Residuals, % 0
0 to 0.6