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C85900 Brass vs. C34500 Brass

Both C85900 brass and C34500 brass are copper alloys. They have a moderately high 95% 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 C85900 brass and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 30
12 to 28
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 460
340 to 430
Tensile Strength: Yield (Proof), MPa 190
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 830
910
Melting Onset (Solidus), °C 790
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
26
Electrical Conductivity: Equal Weight (Specific), % IACS 28
29

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 49
45
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 170
69 to 160
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 16
12 to 15
Strength to Weight: Bending, points 17
13 to 16
Thermal Diffusivity, mm2/s 29
37
Thermal Shock Resistance, points 16
11 to 14

Alloy Composition

Aluminum (Al), % 0.1 to 0.6
0
Antimony (Sb), % 0 to 0.2
0
Boron (B), % 0 to 0.2
0
Copper (Cu), % 58 to 62
62 to 65
Iron (Fe), % 0 to 0.5
0 to 0.15
Lead (Pb), % 0 to 0.090
1.5 to 2.5
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0 to 1.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 31 to 41
32 to 36.5
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.4