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CC330G Bronze vs. C37700 Brass

Both CC330G bronze and C37700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 28 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 CC330G bronze and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 20
40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 530
400
Tensile Strength: Yield (Proof), MPa 190
160

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1050
890
Melting Onset (Solidus), °C 1000
880
Specific Heat Capacity, J/kg-K 430
380
Thermal Conductivity, W/m-K 62
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
27
Electrical Conductivity: Equal Weight (Specific), % IACS 15
30

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 3.2
2.6
Embodied Energy, MJ/kg 52
45
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
130
Resilience: Unit (Modulus of Resilience), kJ/m3 170
120
Stiffness to Weight: Axial, points 7.5
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18
14
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 17
39
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 8.0 to 10.5
0
Copper (Cu), % 87 to 92
58 to 61
Iron (Fe), % 0 to 1.2
0 to 0.3
Lead (Pb), % 0 to 0.3
1.5 to 2.5
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 0 to 0.5
35.7 to 40.5
Residuals, % 0
0 to 0.5