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C26200 Brass vs. ASTM B541 Gold

C26200 brass belongs to the copper alloys classification, while ASTM B541 gold belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 3.0 to 180
6.0 to 14
Poisson's Ratio 0.31
0.4
Shear Modulus, GPa 41
38
Shear Strength, MPa 230 to 390
410 to 690
Tensile Strength: Ultimate (UTS), MPa 330 to 770
670 to 1180
Tensile Strength: Yield (Proof), MPa 110 to 490
480 to 900

Thermal Properties

Latent Heat of Fusion, J/g 180
90
Melting Completion (Liquidus), °C 950
1110
Melting Onset (Solidus), °C 920
930
Specific Heat Capacity, J/kg-K 390
170
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.7 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 31
4.0 to 6.2

Otherwise Unclassified Properties

Density, g/cm3 8.2
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 160
65 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 62 to 1110
1090 to 3830
Stiffness to Weight: Axial, points 7.2
3.4
Stiffness to Weight: Bending, points 19
9.0
Strength to Weight: Axial, points 11 to 26
11 to 19
Strength to Weight: Bending, points 13 to 23
9.8 to 14
Thermal Shock Resistance, points 11 to 26
36 to 63

Alloy Composition

Copper (Cu), % 67 to 70
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.070
0
Platinum (Pt), % 0
8.0 to 9.0
Silver (Ag), % 0
4.0 to 5.0
Zinc (Zn), % 29.6 to 33
0.7 to 1.3
Residuals, % 0
0 to 0.4