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C47940 Brass vs. C11400 Copper

Both C47940 brass and C11400 copper are copper alloys. They have 65% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is C11400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 14 to 34
2.8 to 51
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Shear Strength, MPa 250 to 310
150 to 210
Tensile Strength: Ultimate (UTS), MPa 380 to 520
220 to 400
Tensile Strength: Yield (Proof), MPa 160 to 390
75 to 400

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 850
1080
Melting Onset (Solidus), °C 800
1030
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
390
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
32
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
11 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
24 to 680
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 17
6.8 to 12
Strength to Weight: Bending, points 14 to 17
9.1 to 14
Thermal Diffusivity, mm2/s 36
110
Thermal Shock Resistance, points 13 to 17
7.8 to 14

Alloy Composition

Copper (Cu), % 63 to 66
99.84 to 99.966
Iron (Fe), % 0.1 to 1.0
0
Lead (Pb), % 1.0 to 2.0
0
Nickel (Ni), % 0.1 to 0.5
0
Silver (Ag), % 0
0.034 to 0.060
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0
0 to 0.1

Comparable Variants