MakeItFrom.com
Menu (ESC)

C27200 Brass vs. C84200 Brass

Both C27200 brass and C84200 brass are copper alloys. They have 77% 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 C27200 brass and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 10 to 50
15
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 370 to 590
250
Tensile Strength: Yield (Proof), MPa 150 to 410
120

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 920
990
Melting Onset (Solidus), °C 870
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 120
72
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
16
Electrical Conductivity: Equal Weight (Specific), % IACS 31
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
31
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
72
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 20
8.2
Strength to Weight: Bending, points 14 to 19
10
Thermal Diffusivity, mm2/s 37
23
Thermal Shock Resistance, points 12 to 20
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 62 to 65
78 to 82
Iron (Fe), % 0 to 0.070
0 to 0.4
Lead (Pb), % 0 to 0.070
2.0 to 3.0
Nickel (Ni), % 0
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 34.6 to 38
10 to 16
Residuals, % 0
0 to 0.7