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C69300 Brass vs. C82700 Copper

Both C69300 brass and C82700 copper are copper alloys. They have 76% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C69300 brass and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 8.5 to 15
1.8
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 550 to 630
1200
Tensile Strength: Yield (Proof), MPa 300 to 390
1020

Thermal Properties

Latent Heat of Fusion, J/g 240
240
Maximum Temperature: Mechanical, °C 160
300
Melting Completion (Liquidus), °C 880
950
Melting Onset (Solidus), °C 860
860
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 38
130
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
20
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
21

Otherwise Unclassified Properties

Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 2.7
12
Embodied Energy, MJ/kg 45
180
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
21
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
4260
Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 21
38
Strength to Weight: Bending, points 18 to 20
29
Thermal Diffusivity, mm2/s 12
39
Thermal Shock Resistance, points 19 to 22
41

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Chromium (Cr), % 0
0 to 0.090
Copper (Cu), % 73 to 77
94.6 to 96.7
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.090
0 to 0.020
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
1.0 to 1.5
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0 to 0.15
Tin (Sn), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 18.4 to 24.3
0 to 0.1
Residuals, % 0
0 to 0.5