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C44500 Brass vs. C87900 Brass

Both C44500 brass and C87900 brass are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C44500 brass and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 350
480
Tensile Strength: Yield (Proof), MPa 120
240

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 940
930
Melting Onset (Solidus), °C 900
900
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
15
Electrical Conductivity: Equal Weight (Specific), % IACS 27
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
270
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12
17
Strength to Weight: Bending, points 13
17
Thermal Diffusivity, mm2/s 35
37
Thermal Shock Resistance, points 12
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 70 to 73
63 to 69.2
Iron (Fe), % 0 to 0.060
0 to 0.4
Lead (Pb), % 0 to 0.070
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0.020 to 0.1
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.9 to 1.2
0 to 0.25
Zinc (Zn), % 25.2 to 29.1
30 to 36
Residuals, % 0 to 0.4
0