MakeItFrom.com
Menu (ESC)

C87700 Bronze vs. ASTM B541 Gold

C87700 bronze 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 C87700 bronze 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, % 3.6
6.0 to 14
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 42
38
Tensile Strength: Ultimate (UTS), MPa 300
670 to 1180
Tensile Strength: Yield (Proof), MPa 120
480 to 900

Thermal Properties

Latent Heat of Fusion, J/g 250
90
Melting Completion (Liquidus), °C 980
1110
Melting Onset (Solidus), °C 900
930
Specific Heat Capacity, J/kg-K 400
170
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.7 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 48
4.0 to 6.2

Otherwise Unclassified Properties

Density, g/cm3 8.5
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
65 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 64
1090 to 3830
Stiffness to Weight: Axial, points 7.4
3.4
Stiffness to Weight: Bending, points 19
9.0
Strength to Weight: Axial, points 9.8
11 to 19
Strength to Weight: Bending, points 12
9.8 to 14
Thermal Shock Resistance, points 11
36 to 63

Alloy Composition

Antimony (Sb), % 0 to 0.1
0
Copper (Cu), % 87.5 to 90.5
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.8
0
Nickel (Ni), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.15
0
Platinum (Pt), % 0
8.0 to 9.0
Silicon (Si), % 2.5 to 3.5
0
Silver (Ag), % 0
4.0 to 5.0
Tin (Sn), % 0 to 2.0
0
Zinc (Zn), % 7.0 to 9.0
0.7 to 1.3
Residuals, % 0
0 to 0.4