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C43400 Brass vs. C85900 Brass

Both C43400 brass and C85900 brass are copper alloys. They have 75% 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 C43400 brass and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 3.0 to 49
30
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 310 to 690
460
Tensile Strength: Yield (Proof), MPa 110 to 560
190

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1020
830
Melting Onset (Solidus), °C 990
790
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 140
89
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
25
Electrical Conductivity: Equal Weight (Specific), % IACS 32
28

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 44
49
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
170
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10 to 22
16
Strength to Weight: Bending, points 12 to 20
17
Thermal Diffusivity, mm2/s 41
29
Thermal Shock Resistance, points 11 to 24
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Copper (Cu), % 84 to 87
58 to 62
Iron (Fe), % 0 to 0.050
0 to 0.5
Lead (Pb), % 0 to 0.050
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0.4 to 1.0
0 to 1.5
Zinc (Zn), % 11.4 to 15.6
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7