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C68700 Brass vs. C41500 Brass

Both C68700 brass and C41500 brass are copper alloys. They have 85% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68700 brass and the bottom bar is C41500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 390
340 to 560
Tensile Strength: Yield (Proof), MPa 140
190 to 550

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 970
1030
Melting Onset (Solidus), °C 930
1010
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
28
Electrical Conductivity: Equal Weight (Specific), % IACS 25
29

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
160 to 1340
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
11 to 18
Strength to Weight: Bending, points 14
12 to 17
Thermal Diffusivity, mm2/s 30
37
Thermal Shock Resistance, points 13
12 to 20

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Copper (Cu), % 76 to 79
89 to 93
Iron (Fe), % 0 to 0.060
0 to 0.050
Lead (Pb), % 0 to 0.070
0 to 0.1
Tin (Sn), % 0
1.5 to 2.2
Zinc (Zn), % 17.8 to 22.2
4.2 to 9.5
Residuals, % 0
0 to 0.5