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C46400 Brass vs. C99300 Copper

Both C46400 brass and C99300 copper are copper alloys. They have 61% of their average alloy composition in common. There are 28 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 C46400 brass and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17 to 40
2.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 400 to 500
660
Tensile Strength: Yield (Proof), MPa 160 to 320
380

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
250
Melting Completion (Liquidus), °C 900
1080
Melting Onset (Solidus), °C 890
1070
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 120
43
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 23
35
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 47
70
Embodied Water, L/kg 330
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 140
11
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
590
Stiffness to Weight: Axial, points 7.2
8.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 14 to 17
22
Strength to Weight: Bending, points 15 to 17
20
Thermal Diffusivity, mm2/s 38
12
Thermal Shock Resistance, points 13 to 16
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 59 to 62
68.6 to 74.4
Iron (Fe), % 0 to 0.1
0.4 to 1.0
Lead (Pb), % 0 to 0.2
0 to 0.020
Nickel (Ni), % 0
13.5 to 16.5
Silicon (Si), % 0
0 to 0.020
Tin (Sn), % 0.5 to 1.0
0 to 0.050
Zinc (Zn), % 36.3 to 40.5
0
Residuals, % 0
0 to 0.3