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C21000 Brass vs. C44400 Brass

Both C21000 brass and C44400 brass are copper alloys. They have 76% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 240 to 450
350
Tensile Strength: Yield (Proof), MPa 69 to 440
120

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 190
140
Melting Completion (Liquidus), °C 1070
940
Melting Onset (Solidus), °C 1050
900
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 230
110
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
25
Electrical Conductivity: Equal Weight (Specific), % IACS 57
27

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
65
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
12
Strength to Weight: Bending, points 9.6 to 15
13
Thermal Diffusivity, mm2/s 69
35
Thermal Shock Resistance, points 8.1 to 15
12

Alloy Composition

Antimony (Sb), % 0
0.020 to 0.1
Copper (Cu), % 94 to 96
70 to 73
Iron (Fe), % 0 to 0.050
0 to 0.060
Lead (Pb), % 0 to 0.030
0 to 0.070
Tin (Sn), % 0
0.9 to 1.2
Zinc (Zn), % 3.7 to 6.0
25.2 to 29.1
Residuals, % 0
0 to 0.4