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C87500 Brass vs. C37700 Brass

Both C87500 brass and C37700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% of their average alloy composition in common. There are 28 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 C87500 brass and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 18
40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 460
400
Tensile Strength: Yield (Proof), MPa 190
160

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 920
890
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 28
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
120
Stiffness to Weight: Axial, points 7.4
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
14
Strength to Weight: Bending, points 16
15
Thermal Diffusivity, mm2/s 8.3
39
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 79 to 85
58 to 61
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0 to 0.5
1.5 to 2.5
Silicon (Si), % 3.0 to 5.0
0
Zinc (Zn), % 12 to 16
35.7 to 40.5
Residuals, % 0
0 to 0.5