MakeItFrom.com
Menu (ESC)

C85800 Brass vs. C87200 Bronze

Both C85800 brass and C87200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C85800 brass and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 15
30
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 380
380
Tensile Strength: Yield (Proof), MPa 210
170

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
970
Melting Onset (Solidus), °C 870
860
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 84
28
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 22
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
93
Resilience: Unit (Modulus of Resilience), kJ/m3 210
130
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
12
Strength to Weight: Bending, points 15
14
Thermal Diffusivity, mm2/s 27
8.0
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 0 to 0.55
0 to 1.5
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 57 to 69
89 to 99
Iron (Fe), % 0 to 0.5
0 to 2.5
Lead (Pb), % 0 to 1.5
0 to 0.5
Manganese (Mn), % 0 to 0.25
0 to 1.5
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.5
Silicon (Si), % 0 to 0.25
1.0 to 5.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0 to 1.0
Zinc (Zn), % 31 to 41
0 to 5.0
Residuals, % 0 to 1.3
0