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CC497K Bronze vs. C99700 Brass

Both CC497K bronze and C99700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 64% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC497K bronze and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
120
Elongation at Break, % 6.7
25
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 34
46
Tensile Strength: Ultimate (UTS), MPa 190
380
Tensile Strength: Yield (Proof), MPa 91
170

Thermal Properties

Latent Heat of Fusion, J/g 160
200
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 870
900
Melting Onset (Solidus), °C 800
880
Specific Heat Capacity, J/kg-K 330
410
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 9.3
8.1
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 48
53
Embodied Water, L/kg 370
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
78
Resilience: Unit (Modulus of Resilience), kJ/m3 45
120
Stiffness to Weight: Axial, points 5.5
8.3
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.6
13
Strength to Weight: Bending, points 7.8
14
Thermal Shock Resistance, points 7.2
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0.5 to 3.0
Antimony (Sb), % 0 to 0.75
0
Copper (Cu), % 67.5 to 77.5
54 to 65.5
Iron (Fe), % 0 to 0.25
0 to 1.0
Lead (Pb), % 18 to 23
0 to 2.0
Manganese (Mn), % 0 to 0.2
11 to 15
Nickel (Ni), % 0.5 to 2.5
4.0 to 6.0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0 to 1.0
Zinc (Zn), % 0 to 2.0
19 to 25
Residuals, % 0
0 to 0.3