MakeItFrom.com
Menu (ESC)

C69430 Brass vs. C81500 Copper

Both C69430 brass and C81500 copper are copper alloys. They have 82% 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 C69430 brass and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
17
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 570
350
Tensile Strength: Yield (Proof), MPa 280
280

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 920
1090
Melting Onset (Solidus), °C 820
1080
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 26
320
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
82
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
83

Otherwise Unclassified Properties

Base Metal Price, % relative 27
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 44
41
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
56
Resilience: Unit (Modulus of Resilience), kJ/m3 340
330
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19
11
Strength to Weight: Bending, points 18
12
Thermal Diffusivity, mm2/s 7.7
91
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Arsenic (As), % 0.030 to 0.060
0
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 80 to 83
97.4 to 99.6
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0 to 0.3
0 to 0.020
Silicon (Si), % 3.5 to 4.5
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 11.4 to 16.5
0 to 0.1
Residuals, % 0
0 to 0.5