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AWS BAg-20 vs. C37100 Brass

AWS BAg-20 belongs to the otherwise unclassified metals classification, while C37100 brass belongs to the copper alloys. They have 70% of their average alloy composition in common. 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 AWS BAg-20 and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
100
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 35
40
Tensile Strength: Ultimate (UTS), MPa 160
370 to 520

Thermal Properties

Latent Heat of Fusion, J/g 150
170
Melting Completion (Liquidus), °C 770
900
Melting Onset (Solidus), °C 680
890
Specific Heat Capacity, J/kg-K 340
380
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 30
2.7
Embodied Energy, MJ/kg 480
45

Common Calculations

Stiffness to Weight: Axial, points 6.0
7.2
Stiffness to Weight: Bending, points 17
20
Strength to Weight: Axial, points 5.1
13 to 18
Strength to Weight: Bending, points 7.6
14 to 18
Thermal Shock Resistance, points 5.9
12 to 17

Alloy Composition

Copper (Cu), % 37 to 39
58 to 62
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0.6 to 1.2
Silver (Ag), % 29 to 31
0
Zinc (Zn), % 30 to 34
36.3 to 41.4
Residuals, % 0
0 to 0.4