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C87800 Brass vs. C34500 Brass

Both C87800 brass and C34500 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 (2, in this case) are not shown.

For each property being compared, the top bar is C87800 brass and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
12 to 28
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 590
340 to 430
Tensile Strength: Yield (Proof), MPa 350
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 920
910
Melting Onset (Solidus), °C 820
890
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 28
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
26
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 27
24
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 540
69 to 160
Stiffness to Weight: Axial, points 7.4
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
12 to 15
Strength to Weight: Bending, points 19
13 to 16
Thermal Diffusivity, mm2/s 8.3
37
Thermal Shock Resistance, points 21
11 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
62 to 65
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 0 to 0.15
1.5 to 2.5
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 12 to 16
32 to 36.5
Residuals, % 0
0 to 0.4