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C33000 Brass vs. C69400 Brass

Both C33000 brass and C69400 brass are copper alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C33000 brass and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.0 to 60
17
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
42
Shear Strength, MPa 240 to 300
350
Tensile Strength: Ultimate (UTS), MPa 320 to 520
570
Tensile Strength: Yield (Proof), MPa 110 to 450
270

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 940
920
Melting Onset (Solidus), °C 900
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
26
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 29
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
80
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
340
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 18
19
Strength to Weight: Bending, points 13 to 18
18
Thermal Diffusivity, mm2/s 37
7.7
Thermal Shock Resistance, points 11 to 17
20

Alloy Composition

Copper (Cu), % 65 to 68
80 to 83
Iron (Fe), % 0 to 0.070
0 to 0.2
Lead (Pb), % 0.25 to 0.7
0 to 0.3
Silicon (Si), % 0
3.5 to 4.5
Zinc (Zn), % 30.8 to 34.8
11.5 to 16.5
Residuals, % 0
0 to 0.5