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C34200 Brass vs. C84500 Brass

Both C34200 brass and C84500 brass are copper alloys. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C34200 brass and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 3.0 to 17
28
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 370 to 650
240
Tensile Strength: Yield (Proof), MPa 150 to 420
97

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 910
980
Melting Onset (Solidus), °C 890
840
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 120
72
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
16
Electrical Conductivity: Equal Weight (Specific), % IACS 29
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 98
54
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 870
45
Stiffness to Weight: Axial, points 7.1
6.6
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 22
7.7
Strength to Weight: Bending, points 14 to 20
9.8
Thermal Diffusivity, mm2/s 37
23
Thermal Shock Resistance, points 12 to 22
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 62 to 65
77 to 79
Iron (Fe), % 0 to 0.1
0 to 0.4
Lead (Pb), % 1.5 to 2.5
6.0 to 7.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 32 to 36.5
10 to 14
Residuals, % 0
0 to 0.7