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C38000 Brass vs. C84200 Brass

Both C38000 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 (3, in this case) are not shown.

For each property being compared, the top bar is C38000 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, % 17
15
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 380
250
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 110
150
Melting Completion (Liquidus), °C 800
990
Melting Onset (Solidus), °C 760
840
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 110
72
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Base Metal Price, % relative 22
30
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
31
Resilience: Unit (Modulus of Resilience), kJ/m3 74
72
Stiffness to Weight: Axial, points 7.1
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
8.2
Strength to Weight: Bending, points 14
10
Thermal Diffusivity, mm2/s 37
23
Thermal Shock Resistance, points 13
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 55 to 60
78 to 82
Iron (Fe), % 0 to 0.35
0 to 0.4
Lead (Pb), % 1.5 to 2.5
2.0 to 3.0
Nickel (Ni), % 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 to 0.3
4.0 to 6.0
Zinc (Zn), % 35.9 to 43.5
10 to 16
Residuals, % 0
0 to 0.7