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C47940 Brass vs. C84200 Brass

Both C47940 brass and C84200 brass are copper alloys. They have 81% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 14 to 34
15
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 380 to 520
250
Tensile Strength: Yield (Proof), MPa 160 to 390
120

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 850
990
Melting Onset (Solidus), °C 800
840
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 110
72
Thermal Expansion, µm/m-K 20
19

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 8.2
8.5
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 47
51
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
31
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
72
Stiffness to Weight: Axial, points 7.1
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 17
8.2
Strength to Weight: Bending, points 14 to 17
10
Thermal Diffusivity, mm2/s 36
23
Thermal Shock Resistance, points 13 to 17
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 63 to 66
78 to 82
Iron (Fe), % 0.1 to 1.0
0 to 0.4
Lead (Pb), % 1.0 to 2.0
2.0 to 3.0
Nickel (Ni), % 0.1 to 0.5
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 1.2 to 2.0
4.0 to 6.0
Zinc (Zn), % 28.1 to 34.6
10 to 16
Residuals, % 0
0 to 0.7