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C68400 Brass vs. C17200 Copper

Both C68400 brass and C17200 copper are copper alloys. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C17200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 18
1.1 to 37
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
45
Shear Strength, MPa 330
330 to 780
Tensile Strength: Ultimate (UTS), MPa 540
480 to 1380
Tensile Strength: Yield (Proof), MPa 310
160 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 130
280
Melting Completion (Liquidus), °C 840
980
Melting Onset (Solidus), °C 820
870
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 66
110
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
22
Electrical Conductivity: Equal Weight (Specific), % IACS 99
23

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.7
9.4
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
4.2 to 500
Resilience: Unit (Modulus of Resilience), kJ/m3 460
110 to 5720
Stiffness to Weight: Axial, points 7.5
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
15 to 44
Strength to Weight: Bending, points 19
16 to 31
Thermal Diffusivity, mm2/s 21
31
Thermal Shock Resistance, points 18
16 to 46

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
96.1 to 98
Iron (Fe), % 0 to 1.0
0 to 0.4
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0.2 to 0.6
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0 to 0.2
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0 to 0.5