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C42200 Brass vs. SAE-AISI 8720 Steel

C42200 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 C42200 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, % 2.0 to 46
25
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 210 to 350
320
Tensile Strength: Ultimate (UTS), MPa 300 to 610
500
Tensile Strength: Yield (Proof), MPa 100 to 570
330

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 1040
1460
Melting Onset (Solidus), °C 1020
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 130
39
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 32
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 2.7
1.5
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 320
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1460
290
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 9.5 to 19
18
Strength to Weight: Bending, points 11 to 18
18
Thermal Diffusivity, mm2/s 39
10
Thermal Shock Resistance, points 10 to 21
17

Alloy Composition

Carbon (C), % 0
0.18 to 0.23
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 86 to 89
0
Iron (Fe), % 0 to 0.050
96.8 to 98
Lead (Pb), % 0 to 0.050
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 to 0.35
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0.8 to 1.4
0
Zinc (Zn), % 8.7 to 13.2
0
Residuals, % 0 to 0.5
0