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CC493K Bronze vs. C90400 Bronze

Both CC493K bronze and C90400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is CC493K bronze and the bottom bar is C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 74
77
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 14
24
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 270
310
Tensile Strength: Yield (Proof), MPa 140
180

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 960
990
Melting Onset (Solidus), °C 880
850
Specific Heat Capacity, J/kg-K 360
370
Thermal Conductivity, W/m-K 61
75
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
12
Electrical Conductivity: Equal Weight (Specific), % IACS 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
34
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 53
56
Embodied Water, L/kg 370
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
65
Resilience: Unit (Modulus of Resilience), kJ/m3 89
150
Stiffness to Weight: Axial, points 6.5
7.0
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.6
10
Strength to Weight: Bending, points 11
12
Thermal Diffusivity, mm2/s 19
23
Thermal Shock Resistance, points 10
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.3
0 to 0.020
Boron (B), % 0
0 to 0.1
Copper (Cu), % 79 to 86
86 to 89
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 5.0 to 8.0
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.1
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.1
0.1 to 0.65
Tin (Sn), % 5.2 to 8.0
7.5 to 8.5
Zinc (Zn), % 2.0 to 5.0
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7