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C31400 Bronze vs. C90900 Bronze

Both C31400 bronze and C90900 bronze are copper alloys. They have 88% of their average alloy composition in common. There are 28 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 C31400 bronze and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 29
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 270 to 420
280
Tensile Strength: Yield (Proof), MPa 78 to 310
140

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1040
980
Melting Onset (Solidus), °C 1010
820
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 180
65
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
11
Electrical Conductivity: Equal Weight (Specific), % IACS 43
11

Otherwise Unclassified Properties

Base Metal Price, % relative 29
36
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 2.6
3.9
Embodied Energy, MJ/kg 42
64
Embodied Water, L/kg 310
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
35
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
89
Stiffness to Weight: Axial, points 7.1
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.7 to 13
8.8
Strength to Weight: Bending, points 11 to 14
11
Thermal Diffusivity, mm2/s 54
21
Thermal Shock Resistance, points 9.6 to 15
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 87.5 to 90.5
86 to 89
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 1.3 to 2.5
0 to 0.25
Nickel (Ni), % 0 to 0.7
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 5.8 to 11.2
0 to 0.25
Residuals, % 0
0 to 0.6