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C21000 Brass vs. C84100 Brass

Both C21000 brass and C84100 brass are copper alloys. They have 86% of their average alloy composition in common. There are 28 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 C21000 brass and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
13
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
39
Tensile Strength: Ultimate (UTS), MPa 240 to 450
230
Tensile Strength: Yield (Proof), MPa 69 to 440
81

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 1070
1000
Melting Onset (Solidus), °C 1050
810
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 230
110
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
23
Electrical Conductivity: Equal Weight (Specific), % IACS 57
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.8
8.5
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 42
48
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
24
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
30
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
7.4
Strength to Weight: Bending, points 9.6 to 15
9.7
Thermal Diffusivity, mm2/s 69
33
Thermal Shock Resistance, points 8.1 to 15
7.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Bismuth (Bi), % 0
0 to 0.090
Copper (Cu), % 94 to 96
78 to 85
Iron (Fe), % 0 to 0.050
0 to 0.3
Lead (Pb), % 0 to 0.030
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
1.5 to 4.5
Zinc (Zn), % 3.7 to 6.0
12 to 20
Residuals, % 0
0 to 0.5