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C68000 Brass vs. C33200 Brass

Both C68000 brass and C33200 brass are copper alloys. They have 90% 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 C68000 brass and the bottom bar is C33200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 27
7.0 to 60
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 390
320 to 520
Tensile Strength: Yield (Proof), MPa 140
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 880
930
Melting Onset (Solidus), °C 870
900
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 96
120
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 48
44
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
35 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 95
60 to 960
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 14
11 to 17
Strength to Weight: Bending, points 15
13 to 17
Thermal Diffusivity, mm2/s 31
37
Thermal Shock Resistance, points 13
11 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Copper (Cu), % 56 to 60
65 to 68
Iron (Fe), % 0.25 to 1.3
0 to 0.070
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Manganese (Mn), % 0.010 to 0.5
0
Nickel (Ni), % 0.2 to 0.8
0
Silicon (Si), % 0.040 to 0.15
0
Tin (Sn), % 0.75 to 1.1
0
Zinc (Zn), % 35.6 to 42.8
29 to 33.5
Residuals, % 0
0 to 0.4