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C84000 Brass vs. C85400 Brass

Both C84000 brass and C85400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is C84000 brass and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
55
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 27
23
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 250
220
Tensile Strength: Yield (Proof), MPa 140
85

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1040
940
Melting Onset (Solidus), °C 940
940
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 72
89
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
20
Electrical Conductivity: Equal Weight (Specific), % IACS 17
22

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
40
Resilience: Unit (Modulus of Resilience), kJ/m3 83
35
Stiffness to Weight: Axial, points 7.2
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.2
7.5
Strength to Weight: Bending, points 10
9.9
Thermal Diffusivity, mm2/s 22
28
Thermal Shock Resistance, points 9.0
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.35
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
65 to 70
Iron (Fe), % 0 to 0.4
0 to 0.7
Lead (Pb), % 0 to 0.090
1.5 to 3.8
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
Silicon (Si), % 0 to 0.0050
0 to 0.050
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
0.5 to 1.5
Zinc (Zn), % 5.0 to 14
24 to 32
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 1.1