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C48600 Brass vs. CR018A Copper

Both C48600 brass and CR018A 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 (2, in this case) are not shown.

For each property being compared, the top bar is C48600 brass and the bottom bar is CR018A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 20 to 25
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Tensile Strength: Ultimate (UTS), MPa 280 to 360
220
Tensile Strength: Yield (Proof), MPa 110 to 170
130

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
1090
Melting Onset (Solidus), °C 890
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
390
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
100
Electrical Conductivity: Equal Weight (Specific), % IACS 28
100

Otherwise Unclassified Properties

Base Metal Price, % relative 24
33
Density, g/cm3 8.1
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55 to 59
29
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 140
76
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 9.5 to 12
6.8
Strength to Weight: Bending, points 12 to 14
9.0
Thermal Diffusivity, mm2/s 36
110
Thermal Shock Resistance, points 9.3 to 12
7.8

Alloy Composition

Arsenic (As), % 0.020 to 0.25
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 59 to 62
99.914 to 99.94
Lead (Pb), % 1.0 to 2.5
0
Silver (Ag), % 0
0.060 to 0.080
Tin (Sn), % 0.3 to 1.5
0
Zinc (Zn), % 33.4 to 39.7
0
Residuals, % 0 to 0.4
0