MakeItFrom.com
Menu (ESC)

C84200 Brass vs. C87200 Bronze

Both C84200 brass and C87200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C84200 brass and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
30
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 250
380
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 150
200
Melting Completion (Liquidus), °C 990
970
Melting Onset (Solidus), °C 840
860
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 72
28
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.5
8.6
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 51
44
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
93
Resilience: Unit (Modulus of Resilience), kJ/m3 72
130
Stiffness to Weight: Axial, points 6.9
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.2
12
Strength to Weight: Bending, points 10
14
Thermal Diffusivity, mm2/s 23
8.0
Thermal Shock Resistance, points 9.1
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 1.5
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
89 to 99
Iron (Fe), % 0 to 0.4
0 to 2.5
Lead (Pb), % 2.0 to 3.0
0 to 0.5
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0 to 1.5
0 to 0.5
Silicon (Si), % 0 to 0.0050
1.0 to 5.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0 to 1.0
Zinc (Zn), % 10 to 16
0 to 5.0
Residuals, % 0 to 0.7
0