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C33200 Brass vs. C68100 Brass

Both C33200 brass and C68100 brass are copper alloys. They have 90% 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 C33200 brass and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 7.0 to 60
29
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 320 to 520
380
Tensile Strength: Yield (Proof), MPa 110 to 450
140

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 930
890
Melting Onset (Solidus), °C 900
870
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
98
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
24
Electrical Conductivity: Equal Weight (Specific), % IACS 28
27

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
86
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 960
94
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 17
13
Strength to Weight: Bending, points 13 to 17
15
Thermal Diffusivity, mm2/s 37
32
Thermal Shock Resistance, points 11 to 17
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Copper (Cu), % 65 to 68
56 to 60
Iron (Fe), % 0 to 0.070
0.25 to 1.3
Lead (Pb), % 1.5 to 2.5
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
Silicon (Si), % 0
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 29 to 33.5
36.4 to 43
Residuals, % 0
0 to 0.5