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C67300 Bronze vs. AWS BAg-1a

C67300 bronze belongs to the copper alloys classification, while AWS BAg-1a belongs to the otherwise unclassified metals. They have a modest 32% 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 (14, in this case) are not shown.

For each property being compared, the top bar is C67300 bronze and the bottom bar is AWS BAg-1a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
77
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
29
Tensile Strength: Ultimate (UTS), MPa 500
180

Thermal Properties

Latent Heat of Fusion, J/g 190
120
Melting Completion (Liquidus), °C 870
640
Melting Onset (Solidus), °C 830
630
Specific Heat Capacity, J/kg-K 390
280
Thermal Expansion, µm/m-K 20
22

Otherwise Unclassified Properties

Density, g/cm3 8.0
9.3
Embodied Carbon, kg CO2/kg material 2.7
48
Embodied Energy, MJ/kg 46
760

Common Calculations

Stiffness to Weight: Axial, points 7.4
4.6
Stiffness to Weight: Bending, points 20
15
Strength to Weight: Axial, points 17
5.4
Strength to Weight: Bending, points 17
7.6
Thermal Shock Resistance, points 16
7.5

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Cadmium (Cd), % 0
17 to 19
Copper (Cu), % 58 to 63
14.5 to 16.5
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0.4 to 3.0
0
Manganese (Mn), % 2.0 to 3.5
0
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
49 to 51
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 27.2 to 39.1
14.5 to 18.5
Residuals, % 0
0 to 0.15