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C55283 Copper vs. C37700 Brass

Both C55283 copper 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 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C55283 copper and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
39
Tensile Strength: Ultimate (UTS), MPa 190
400

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 720
890
Melting Onset (Solidus), °C 640
880
Specific Heat Capacity, J/kg-K 400
380
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 7.9
2.6
Embodied Energy, MJ/kg 120
45

Common Calculations

Stiffness to Weight: Axial, points 6.8
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.1
14
Strength to Weight: Bending, points 8.5
15
Thermal Shock Resistance, points 8.0
13

Alloy Composition

Copper (Cu), % 86.2 to 87.2
58 to 61
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0
1.5 to 2.5
Phosphorus (P), % 7.0 to 7.5
0
Silver (Ag), % 5.8 to 6.2
0
Zinc (Zn), % 0
35.7 to 40.5
Residuals, % 0
0 to 0.5