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C43000 Brass vs. SAE-AISI 8720 Steel

C43000 brass belongs to the copper alloys classification, while SAE-AISI 8720 steel belongs to the iron alloys. There are 29 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 SAE-AISI 8720 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 3.0 to 55
25
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 230 to 410
320
Tensile Strength: Ultimate (UTS), MPa 320 to 710
500
Tensile Strength: Yield (Proof), MPa 130 to 550
330

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 1030
1460
Melting Onset (Solidus), °C 1000
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 28
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.6
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 330
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
290
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10 to 23
18
Strength to Weight: Bending, points 12 to 20
18
Thermal Diffusivity, mm2/s 36
10
Thermal Shock Resistance, points 11 to 25
17

Alloy Composition

Carbon (C), % 0
0.18 to 0.23
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 84 to 87
0
Iron (Fe), % 0 to 0.050
96.8 to 98
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
0.4 to 0.7
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
0
Residuals, % 0 to 0.5
0