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C99750 Brass vs. C84200 Brass

Both C99750 brass and C84200 brass are copper alloys. They have 73% 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 C99750 brass and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Elongation at Break, % 20 to 30
15
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 48
40
Tensile Strength: Ultimate (UTS), MPa 450 to 520
250
Tensile Strength: Yield (Proof), MPa 220 to 280
120

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
150
Melting Completion (Liquidus), °C 840
990
Melting Onset (Solidus), °C 820
840
Specific Heat Capacity, J/kg-K 410
370
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 3.1
3.1
Embodied Energy, MJ/kg 51
51
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
31
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
72
Stiffness to Weight: Axial, points 8.6
6.9
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 15 to 18
8.2
Strength to Weight: Bending, points 16 to 18
10
Thermal Shock Resistance, points 13 to 15
9.1

Alloy Composition


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Aluminum (Al), % 0.25 to 3.0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 55 to 61
78 to 82
Iron (Fe), % 0 to 1.0
0 to 0.4
Lead (Pb), % 0.5 to 2.5
2.0 to 3.0
Manganese (Mn), % 17 to 23
0
Nickel (Ni), % 0 to 5.0
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), % 0
4.0 to 6.0
Zinc (Zn), % 17 to 23
10 to 16
Residuals, % 0 to 0.3
0 to 0.7