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C83400 Brass vs. C84200 Brass

Both C83400 brass and C84200 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C83400 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, % 30
15
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 240
250
Tensile Strength: Yield (Proof), MPa 69
120

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 1040
990
Melting Onset (Solidus), °C 1020
840
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 190
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
16
Electrical Conductivity: Equal Weight (Specific), % IACS 46
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 43
51
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
31
Resilience: Unit (Modulus of Resilience), kJ/m3 21
72
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 7.7
8.2
Strength to Weight: Bending, points 9.9
10
Thermal Diffusivity, mm2/s 57
23
Thermal Shock Resistance, points 8.4
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.25
Copper (Cu), % 88 to 92
78 to 82
Iron (Fe), % 0 to 0.25
0 to 0.4
Lead (Pb), % 0 to 0.5
2.0 to 3.0
Nickel (Ni), % 0 to 1.0
0 to 0.8
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 0 to 0.2
4.0 to 6.0
Zinc (Zn), % 8.0 to 12
10 to 16
Residuals, % 0
0 to 0.7