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C26000 Brass vs. CR017A Copper

Both C26000 brass and CR017A copper are copper alloys. They have 70% 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 C26000 brass and the bottom bar is CR017A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.5 to 66
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 320 to 680
230
Tensile Strength: Yield (Proof), MPa 110 to 570
140

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 950
1090
Melting Onset (Solidus), °C 920
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
380
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
100
Electrical Conductivity: Equal Weight (Specific), % IACS 31
100

Otherwise Unclassified Properties

Base Metal Price, % relative 25
32
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
42
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
31
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
83
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11 to 23
7.1
Strength to Weight: Bending, points 13 to 21
9.3
Thermal Diffusivity, mm2/s 38
110
Thermal Shock Resistance, points 11 to 23
8.1

Alloy Composition

Bismuth (Bi), % 0 to 0.0059
0 to 0.00050
Copper (Cu), % 68.5 to 71.5
99.944 to 99.97
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.070
0
Silver (Ag), % 0
0.030 to 0.050
Zinc (Zn), % 28.1 to 31.5
0
Residuals, % 0 to 0.3
0