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CC497K Bronze vs. CC763S Brass

Both CC497K bronze and CC763S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common. There are 27 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 CC497K bronze and the bottom bar is CC763S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
130
Elastic (Young's, Tensile) Modulus, GPa 93
110
Elongation at Break, % 6.7
7.3
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 34
41
Tensile Strength: Ultimate (UTS), MPa 190
490
Tensile Strength: Yield (Proof), MPa 91
270

Thermal Properties

Latent Heat of Fusion, J/g 160
190
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 870
870
Melting Onset (Solidus), °C 800
830
Specific Heat Capacity, J/kg-K 330
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
29
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
32

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 48
49
Embodied Water, L/kg 370
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
30
Resilience: Unit (Modulus of Resilience), kJ/m3 45
340
Stiffness to Weight: Axial, points 5.5
7.5
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.6
17
Strength to Weight: Bending, points 7.8
17
Thermal Shock Resistance, points 7.2
16

Alloy Composition

Aluminum (Al), % 0 to 0.010
1.0 to 2.5
Antimony (Sb), % 0 to 0.75
0 to 0.080
Copper (Cu), % 67.5 to 77.5
56.5 to 67
Iron (Fe), % 0 to 0.25
0.5 to 2.0
Lead (Pb), % 18 to 23
0 to 1.5
Manganese (Mn), % 0 to 0.2
1.0 to 3.5
Nickel (Ni), % 0.5 to 2.5
0 to 2.5
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0 to 1.0
Zinc (Zn), % 0 to 2.0
18.9 to 41