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AWS BAg-4 vs. C99750 Brass

AWS BAg-4 belongs to the otherwise unclassified metals classification, while C99750 brass belongs to the copper alloys. They have 52% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-4 and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 91
130
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 34
48
Tensile Strength: Ultimate (UTS), MPa 150
450 to 520

Thermal Properties

Latent Heat of Fusion, J/g 140
200
Melting Completion (Liquidus), °C 780
840
Melting Onset (Solidus), °C 670
820
Specific Heat Capacity, J/kg-K 330
410
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 40
3.1
Embodied Energy, MJ/kg 630
51

Common Calculations

Stiffness to Weight: Axial, points 5.7
8.6
Stiffness to Weight: Bending, points 17
21
Strength to Weight: Axial, points 4.7
15 to 18
Strength to Weight: Bending, points 7.1
16 to 18
Thermal Shock Resistance, points 5.7
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Copper (Cu), % 29 to 31
55 to 61
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 1.5 to 2.5
0 to 5.0
Silver (Ag), % 39 to 41
0
Zinc (Zn), % 26 to 30
17 to 23
Residuals, % 0
0 to 0.3