MakeItFrom.com
Menu (ESC)

C69700 Brass vs. C61800 Bronze

Both C69700 brass and C61800 bronze are copper alloys. They have 78% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is C61800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
26
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
44
Shear Strength, MPa 300
310
Tensile Strength: Ultimate (UTS), MPa 470
740
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 240
230
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 930
1050
Melting Onset (Solidus), °C 880
1040
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 43
64
Thermal Expansion, µm/m-K 19
18

Otherwise Unclassified Properties

Base Metal Price, % relative 26
28
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
150
Resilience: Unit (Modulus of Resilience), kJ/m3 250
420
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
25
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 13
18
Thermal Shock Resistance, points 16
26

Alloy Composition

Aluminum (Al), % 0
8.5 to 11
Copper (Cu), % 75 to 80
86.9 to 91
Iron (Fe), % 0 to 0.2
0.5 to 1.5
Lead (Pb), % 0.5 to 1.5
0 to 0.020
Manganese (Mn), % 0 to 0.4
0
Silicon (Si), % 2.5 to 3.5
0 to 0.1
Zinc (Zn), % 13.9 to 22
0 to 0.020
Residuals, % 0
0 to 0.5