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C38000 Brass vs. C40500 Penny Bronze

Both C38000 brass and C40500 penny bronze are copper alloys. They have 62% 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 C40500 penny bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
3.0 to 49
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Shear Strength, MPa 230
210 to 310
Tensile Strength: Ultimate (UTS), MPa 380
270 to 540
Tensile Strength: Yield (Proof), MPa 120
79 to 520

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
190
Melting Completion (Liquidus), °C 800
1060
Melting Onset (Solidus), °C 760
1020
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
30
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
16 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 74
28 to 1200
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
8.5 to 17
Strength to Weight: Bending, points 14
10 to 17
Thermal Diffusivity, mm2/s 37
48
Thermal Shock Resistance, points 13
9.5 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 55 to 60
94 to 96
Iron (Fe), % 0 to 0.35
0 to 0.050
Lead (Pb), % 1.5 to 2.5
0 to 0.050
Tin (Sn), % 0 to 0.3
0.7 to 1.3
Zinc (Zn), % 35.9 to 43.5
2.1 to 5.3
Residuals, % 0
0 to 0.5