MakeItFrom.com
Menu (ESC)

C69700 Brass vs. C86300 Bronze

Both C69700 brass and C86300 bronze are copper alloys. They have 82% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
14
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 470
850
Tensile Strength: Yield (Proof), MPa 230
480

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 930
920
Melting Onset (Solidus), °C 880
890
Specific Heat Capacity, J/kg-K 400
420
Thermal Conductivity, W/m-K 43
35
Thermal Expansion, µm/m-K 19
20

Otherwise Unclassified Properties

Base Metal Price, % relative 26
23
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
51
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1030
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
30
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 16
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 75 to 80
60 to 66
Iron (Fe), % 0 to 0.2
2.0 to 4.0
Lead (Pb), % 0.5 to 1.5
0 to 0.2
Manganese (Mn), % 0 to 0.4
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 13.9 to 22
22 to 28
Residuals, % 0 to 0.5
0 to 1.0