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C38000 Brass vs. C84100 Brass

Both C38000 brass and C84100 brass are copper alloys. They have 74% 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 C38000 brass and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
13
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
39
Tensile Strength: Ultimate (UTS), MPa 380
230
Tensile Strength: Yield (Proof), MPa 120
81

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 110
160
Melting Completion (Liquidus), °C 800
1000
Melting Onset (Solidus), °C 760
810
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 46
48
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
24
Resilience: Unit (Modulus of Resilience), kJ/m3 74
30
Stiffness to Weight: Axial, points 7.1
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
7.4
Strength to Weight: Bending, points 14
9.7
Thermal Diffusivity, mm2/s 37
33
Thermal Shock Resistance, points 13
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Bismuth (Bi), % 0
0 to 0.090
Copper (Cu), % 55 to 60
78 to 85
Iron (Fe), % 0 to 0.35
0 to 0.3
Lead (Pb), % 1.5 to 2.5
0.050 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.010
Tin (Sn), % 0 to 0.3
1.5 to 4.5
Zinc (Zn), % 35.9 to 43.5
12 to 20
Residuals, % 0
0 to 0.5