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C26200 Brass vs. ASTM B477 Au-Ni-Ag

C26200 brass belongs to the copper alloys classification, while ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C26200 brass and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
95
Elongation at Break, % 3.0 to 180
5.5 to 11
Poisson's Ratio 0.31
0.41
Shear Modulus, GPa 41
34
Shear Strength, MPa 230 to 390
190 to 320
Tensile Strength: Ultimate (UTS), MPa 330 to 770
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 180
80
Melting Completion (Liquidus), °C 950
1010
Melting Onset (Solidus), °C 920
930
Specific Heat Capacity, J/kg-K 390
160
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
14
Electrical Conductivity: Equal Weight (Specific), % IACS 31
7.5

Otherwise Unclassified Properties

Density, g/cm3 8.2
17

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.1
Stiffness to Weight: Bending, points 19
8.9
Strength to Weight: Axial, points 11 to 26
5.0 to 9.0
Strength to Weight: Bending, points 13 to 23
6.0 to 8.8
Thermal Shock Resistance, points 11 to 26
16 to 28

Alloy Composition

Copper (Cu), % 67 to 70
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0
2.6 to 3.4
Silver (Ag), % 0
21.4 to 22.6
Zinc (Zn), % 29.6 to 33
0
Residuals, % 0
0 to 0.3