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C68800 Brass vs. C99600 Bronze

Both C68800 brass and C99600 bronze are copper alloys. They have 58% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is C99600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Elongation at Break, % 2.0 to 36
27 to 34
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
56
Tensile Strength: Ultimate (UTS), MPa 570 to 890
560
Tensile Strength: Yield (Proof), MPa 390 to 790
250 to 300

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 960
1100
Melting Onset (Solidus), °C 950
1050
Specific Heat Capacity, J/kg-K 400
440
Thermal Expansion, µm/m-K 19
19

Otherwise Unclassified Properties

Base Metal Price, % relative 26
22
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 48
51
Embodied Water, L/kg 350
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
210 to 310
Stiffness to Weight: Axial, points 7.3
10
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 19 to 30
19
Strength to Weight: Bending, points 19 to 25
19
Thermal Shock Resistance, points 19 to 30
14

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
1.0 to 2.8
Carbon (C), % 0
0 to 0.050
Cobalt (Co), % 0.25 to 0.55
0 to 0.2
Copper (Cu), % 70.8 to 75.5
50.8 to 60
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0
39 to 45
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 21.3 to 24.1
0 to 0.2
Residuals, % 0
0 to 0.3