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C19010 Copper vs. C69400 Brass

Both C19010 copper and C69400 brass are copper alloys. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is C19010 copper and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.4 to 22
17
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Shear Strength, MPa 210 to 360
350
Tensile Strength: Ultimate (UTS), MPa 330 to 640
570
Tensile Strength: Yield (Proof), MPa 260 to 620
270

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1060
920
Melting Onset (Solidus), °C 1010
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 260
26
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48 to 63
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 48 to 63
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3 to 140
80
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 1680
340
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10 to 20
19
Strength to Weight: Bending, points 12 to 18
18
Thermal Diffusivity, mm2/s 75
7.7
Thermal Shock Resistance, points 12 to 23
20

Alloy Composition

Copper (Cu), % 97.3 to 99.04
80 to 83
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nickel (Ni), % 0.8 to 1.8
0
Phosphorus (P), % 0.010 to 0.050
0
Silicon (Si), % 0.15 to 0.35
3.5 to 4.5
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5