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C38000 Brass vs. C17500 Copper

Both C38000 brass and C17500 copper are copper alloys. They have 58% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17
6.0 to 30
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
45
Shear Strength, MPa 230
200 to 520
Tensile Strength: Ultimate (UTS), MPa 380
310 to 860
Tensile Strength: Yield (Proof), MPa 120
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 110
220
Melting Completion (Liquidus), °C 800
1060
Melting Onset (Solidus), °C 760
1020
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
200
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
60
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
4.7
Embodied Energy, MJ/kg 46
73
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 74
120 to 2390
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
9.7 to 27
Strength to Weight: Bending, points 14
11 to 23
Thermal Diffusivity, mm2/s 37
59
Thermal Shock Resistance, points 13
11 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 55 to 60
95.6 to 97.2
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 1.5 to 2.5
0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0
0 to 0.5