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C85700 Brass vs. C44500 Brass

Both C85700 brass and C44500 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 (2, in this case) are not shown.

For each property being compared, the top bar is C85700 brass and the bottom bar is C44500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 310
350
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
140
Melting Completion (Liquidus), °C 940
940
Melting Onset (Solidus), °C 910
900
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 84
110
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
25
Electrical Conductivity: Equal Weight (Specific), % IACS 25
27

Otherwise Unclassified Properties

Base Metal Price, % relative 24
26
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 59
65
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 11
12
Strength to Weight: Bending, points 13
13
Thermal Diffusivity, mm2/s 27
35
Thermal Shock Resistance, points 10
12

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Copper (Cu), % 58 to 64
70 to 73
Iron (Fe), % 0 to 0.7
0 to 0.060
Lead (Pb), % 0.8 to 1.5
0 to 0.070
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0
0.020 to 0.1
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
0.9 to 1.2
Zinc (Zn), % 32 to 40
25.2 to 29.1
Residuals, % 0
0 to 0.4