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C44400 Brass vs. C85500 Brass

Both C44400 brass and C85500 brass are copper alloys. They have 89% of their average alloy composition in common. There are 26 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 C44400 brass and the bottom bar is C85500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 350
410
Tensile Strength: Yield (Proof), MPa 120
160

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 140
120
Melting Completion (Liquidus), °C 940
900
Melting Onset (Solidus), °C 900
890
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
26
Electrical Conductivity: Equal Weight (Specific), % IACS 27
29

Otherwise Unclassified Properties

Base Metal Price, % relative 26
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
120
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12
14
Strength to Weight: Bending, points 13
15
Thermal Diffusivity, mm2/s 35
38
Thermal Shock Resistance, points 12
14

Alloy Composition

Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
59 to 63
Iron (Fe), % 0 to 0.060
0 to 0.2
Lead (Pb), % 0 to 0.070
0 to 0.2
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.2
Tin (Sn), % 0.9 to 1.2
0 to 0.2
Zinc (Zn), % 25.2 to 29.1
35.1 to 41
Residuals, % 0
0 to 0.9