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C69700 Brass vs. C61900 Bronze

Both C69700 brass and C61900 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 (2, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is C61900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
21 to 32
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 300
370 to 410
Tensile Strength: Ultimate (UTS), MPa 470
570 to 650
Tensile Strength: Yield (Proof), MPa 230
230 to 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
79
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
51
Embodied Water, L/kg 310
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 250
230 to 430
Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
19 to 22
Strength to Weight: Bending, points 16
18 to 20
Thermal Diffusivity, mm2/s 13
22
Thermal Shock Resistance, points 16
20 to 23

Alloy Composition

Aluminum (Al), % 0
8.5 to 10
Copper (Cu), % 75 to 80
83.6 to 88.5
Iron (Fe), % 0 to 0.2
3.0 to 4.5
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
Tin (Sn), % 0
0 to 0.6
Zinc (Zn), % 13.9 to 22
0 to 0.8
Residuals, % 0
0 to 0.5