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C21000 Brass vs. C43500 Brass

Both C21000 brass and C43500 brass are copper alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
8.5 to 46
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
42
Shear Strength, MPa 180 to 280
220 to 310
Tensile Strength: Ultimate (UTS), MPa 240 to 450
320 to 530
Tensile Strength: Yield (Proof), MPa 69 to 440
120 to 480

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
970
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 230
120
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
28
Electrical Conductivity: Equal Weight (Specific), % IACS 57
30

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.8
8.5
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
65 to 1040
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
10 to 17
Strength to Weight: Bending, points 9.6 to 15
12 to 17
Thermal Diffusivity, mm2/s 69
37
Thermal Shock Resistance, points 8.1 to 15
11 to 18

Alloy Composition

Copper (Cu), % 94 to 96
79 to 83
Iron (Fe), % 0 to 0.050
0 to 0.050
Lead (Pb), % 0 to 0.030
0 to 0.090
Tin (Sn), % 0
0.6 to 1.2
Zinc (Zn), % 3.7 to 6.0
15.4 to 20.4
Residuals, % 0
0 to 0.3

Comparable Variants