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C43000 Brass vs. C38000 Brass

Both C43000 brass and C38000 brass are copper alloys. They have 70% of their average alloy composition in common. There are 27 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 C43000 brass and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 3.0 to 55
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
39
Shear Strength, MPa 230 to 410
230
Tensile Strength: Ultimate (UTS), MPa 320 to 710
380
Tensile Strength: Yield (Proof), MPa 130 to 550
120

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 1030
800
Melting Onset (Solidus), °C 1000
760
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Base Metal Price, % relative 29
22
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
50
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
74
Stiffness to Weight: Axial, points 7.1
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 23
13
Strength to Weight: Bending, points 12 to 20
14
Thermal Diffusivity, mm2/s 36
37
Thermal Shock Resistance, points 11 to 25
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 84 to 87
55 to 60
Iron (Fe), % 0 to 0.050
0 to 0.35
Lead (Pb), % 0 to 0.1
1.5 to 2.5
Tin (Sn), % 1.7 to 2.7
0 to 0.3
Zinc (Zn), % 9.7 to 14.3
35.9 to 43.5
Residuals, % 0
0 to 0.5