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C84000 Brass vs. C84500 Brass

Both C84000 brass and C84500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is C84000 brass and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
55
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 27
28
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 250
240
Tensile Strength: Yield (Proof), MPa 140
97

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 1040
980
Melting Onset (Solidus), °C 940
840
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 72
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.6
8.7
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
54
Resilience: Unit (Modulus of Resilience), kJ/m3 83
45
Stiffness to Weight: Axial, points 7.2
6.6
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 8.2
7.7
Strength to Weight: Bending, points 10
9.8
Thermal Diffusivity, mm2/s 22
23
Thermal Shock Resistance, points 9.0
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.020
0 to 0.25
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
77 to 79
Iron (Fe), % 0 to 0.4
0 to 0.4
Lead (Pb), % 0 to 0.090
6.0 to 7.5
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0.5 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0 to 0.020
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0.1 to 0.65
0 to 0.080
Tin (Sn), % 2.0 to 4.0
2.0 to 4.0
Zinc (Zn), % 5.0 to 14
10 to 14
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 0.7