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C43000 Brass vs. C19700 Copper

Both C43000 brass and C19700 copper are copper alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is C43000 brass and the bottom bar is C19700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.0 to 55
2.4 to 13
Poisson's Ratio 0.33
0.34
Rockwell B Hardness 30 to 100
67 to 75
Rockwell Superficial 30T Hardness 57 to 86
65 to 72
Shear Modulus, GPa 42
43
Shear Strength, MPa 230 to 410
240 to 300
Tensile Strength: Ultimate (UTS), MPa 320 to 710
400 to 530
Tensile Strength: Yield (Proof), MPa 130 to 550
330 to 520

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1030
1090
Melting Onset (Solidus), °C 1000
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
250
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
86 to 88
Electrical Conductivity: Equal Weight (Specific), % IACS 28
87 to 89

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
12 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
460 to 1160
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 23
12 to 16
Strength to Weight: Bending, points 12 to 20
14 to 16
Thermal Diffusivity, mm2/s 36
73
Thermal Shock Resistance, points 11 to 25
14 to 19

Alloy Composition

Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 84 to 87
97.4 to 99.59
Iron (Fe), % 0 to 0.050
0.3 to 1.2
Lead (Pb), % 0 to 0.1
0 to 0.050
Magnesium (Mg), % 0
0.010 to 0.2
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
0 to 0.050
Phosphorus (P), % 0
0.1 to 0.4
Tin (Sn), % 1.7 to 2.7
0 to 0.2
Zinc (Zn), % 9.7 to 14.3
0 to 0.2
Residuals, % 0
0 to 0.2

Comparable Variants