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C84500 Brass vs. C84000 Brass

Both C84500 brass and C84000 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 C84500 brass and the bottom bar is C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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