MakeItFrom.com
Menu (ESC)

C85200 Brass vs. C82700 Copper

Both C85200 brass and C82700 copper are copper alloys. They have 73% of their average alloy composition in common. There are 27 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 C85200 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, % 28
1.8
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 270
1200
Tensile Strength: Yield (Proof), MPa 95
1020

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 140
300
Melting Completion (Liquidus), °C 940
950
Melting Onset (Solidus), °C 930
860
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 84
130
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
20
Electrical Conductivity: Equal Weight (Specific), % IACS 19
21

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.7
Embodied Carbon, kg CO2/kg material 2.8
12
Embodied Energy, MJ/kg 46
180
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
21
Resilience: Unit (Modulus of Resilience), kJ/m3 42
4260
Stiffness to Weight: Axial, points 7.0
7.8
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.9
38
Strength to Weight: Bending, points 11
29
Thermal Diffusivity, mm2/s 27
39
Thermal Shock Resistance, points 9.3
41

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.15
Antimony (Sb), % 0 to 0.2
0
Beryllium (Be), % 0
2.4 to 2.6
Chromium (Cr), % 0
0 to 0.090
Copper (Cu), % 70 to 74
94.6 to 96.7
Iron (Fe), % 0 to 0.6
0 to 0.25
Lead (Pb), % 1.5 to 3.8
0 to 0.020
Nickel (Ni), % 0 to 1.0
1.0 to 1.5
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.050
0 to 0.15
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0.7 to 2.0
0 to 0.1
Zinc (Zn), % 20 to 27
0 to 0.1
Residuals, % 0
0 to 0.5