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C90800 Bronze vs. C94400 Bronze

Both C90800 bronze and C94400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is C90800 bronze and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
55
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 13
18
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 330
220
Tensile Strength: Yield (Proof), MPa 170
110

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 990
940
Melting Onset (Solidus), °C 870
790
Specific Heat Capacity, J/kg-K 370
350
Thermal Conductivity, W/m-K 68
52
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
10
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
32
Density, g/cm3 8.7
9.1
Embodied Carbon, kg CO2/kg material 3.8
3.4
Embodied Energy, MJ/kg 62
54
Embodied Water, L/kg 410
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
33
Resilience: Unit (Modulus of Resilience), kJ/m3 140
60
Stiffness to Weight: Axial, points 6.9
6.1
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 11
6.8
Strength to Weight: Bending, points 12
9.0
Thermal Diffusivity, mm2/s 21
17
Thermal Shock Resistance, points 12
8.3

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.8
Copper (Cu), % 85.3 to 89
76.1 to 84
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 0 to 0.25
9.0 to 12
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0 to 0.3
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 11 to 13
7.0 to 9.0
Zinc (Zn), % 0 to 0.25
0 to 0.8