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C84800 Brass vs. ASTM B541 Gold

C84800 brass belongs to the copper alloys classification, while ASTM B541 gold belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C84800 brass and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 18
6.0 to 14
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 39
38
Tensile Strength: Ultimate (UTS), MPa 230
670 to 1180
Tensile Strength: Yield (Proof), MPa 100
480 to 900

Thermal Properties

Latent Heat of Fusion, J/g 180
90
Melting Completion (Liquidus), °C 950
1110
Melting Onset (Solidus), °C 830
930
Specific Heat Capacity, J/kg-K 370
170
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.7 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 17
4.0 to 6.2

Otherwise Unclassified Properties

Density, g/cm3 8.6
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
65 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 53
1090 to 3830
Stiffness to Weight: Axial, points 6.6
3.4
Stiffness to Weight: Bending, points 18
9.0
Strength to Weight: Axial, points 7.3
11 to 19
Strength to Weight: Bending, points 9.6
9.8 to 14
Thermal Shock Resistance, points 8.2
36 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 75 to 77
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 5.5 to 7.0
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Platinum (Pt), % 0
8.0 to 9.0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
4.0 to 5.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 3.0
0
Zinc (Zn), % 13 to 17
0.7 to 1.3
Residuals, % 0
0 to 0.4