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C15100 Copper vs. C43000 Brass

Both C15100 copper and C43000 brass are copper alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is C15100 copper and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.0 to 36
3.0 to 55
Poisson's Ratio 0.34
0.33
Rockwell B Hardness 30 to 64
30 to 100
Rockwell Superficial 30T Hardness 48 to 65
57 to 86
Shear Modulus, GPa 43
42
Shear Strength, MPa 170 to 270
230 to 410
Tensile Strength: Ultimate (UTS), MPa 260 to 470
320 to 710
Tensile Strength: Yield (Proof), MPa 69 to 460
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1100
1030
Melting Onset (Solidus), °C 1030
1000
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 360
120
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 95
27
Electrical Conductivity: Equal Weight (Specific), % IACS 95
28

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.3 to 71
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 890
82 to 1350
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1 to 15
10 to 23
Strength to Weight: Bending, points 10 to 15
12 to 20
Thermal Diffusivity, mm2/s 100
36
Thermal Shock Resistance, points 9.3 to 17
11 to 25

Alloy Composition

Copper (Cu), % 99.8 to 99.95
84 to 87
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Tin (Sn), % 0
1.7 to 2.7
Zinc (Zn), % 0
9.7 to 14.3
Zirconium (Zr), % 0.050 to 0.15
0
Residuals, % 0
0 to 0.5

Comparable Variants