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C47000 Brass vs. C84500 Brass

Both C47000 brass and C84500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C47000 brass and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 36
28
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 380
240
Tensile Strength: Yield (Proof), MPa 150
97

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 900
980
Melting Onset (Solidus), °C 890
840
Specific Heat Capacity, J/kg-K 390
360
Thermal Conductivity, W/m-K 120
72
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 47
47
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
54
Resilience: Unit (Modulus of Resilience), kJ/m3 100
45
Stiffness to Weight: Axial, points 7.2
6.6
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 13
7.7
Strength to Weight: Bending, points 15
9.8
Thermal Diffusivity, mm2/s 38
23
Thermal Shock Resistance, points 13
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 57 to 61
77 to 79
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0 to 0.050
6.0 to 7.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0.25 to 1.0
2.0 to 4.0
Zinc (Zn), % 37.5 to 42.8
10 to 14
Residuals, % 0
0 to 0.7