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C90400 Bronze vs. C69700 Brass

Both C90400 bronze and C69700 brass are copper alloys. They have 81% of their average alloy composition in common. There are 26 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 C90400 bronze and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 24
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 310
470
Tensile Strength: Yield (Proof), MPa 180
230

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 990
930
Melting Onset (Solidus), °C 850
880
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 75
43
Thermal Expansion, µm/m-K 18
19

Otherwise Unclassified Properties

Base Metal Price, % relative 34
26
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 56
44
Embodied Water, L/kg 370
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
99
Resilience: Unit (Modulus of Resilience), kJ/m3 150
250
Stiffness to Weight: Axial, points 7.0
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10
16
Strength to Weight: Bending, points 12
16
Thermal Diffusivity, mm2/s 23
13
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 86 to 89
75 to 80
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 0 to 0.090
0.5 to 1.5
Manganese (Mn), % 0 to 0.010
0 to 0.4
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
2.5 to 3.5
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 1.0 to 5.0
13.9 to 22
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0
0 to 0.5