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C43400 Brass vs. SAE-AISI 1020 Steel

C43400 brass belongs to the copper alloys classification, while SAE-AISI 1020 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C43400 brass and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 3.0 to 49
17 to 28
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 250 to 390
280
Tensile Strength: Ultimate (UTS), MPa 310 to 690
430 to 460
Tensile Strength: Yield (Proof), MPa 110 to 560
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 1020
1460
Melting Onset (Solidus), °C 990
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 140
52
Thermal Expansion, µm/m-K 19
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
11
Electrical Conductivity: Equal Weight (Specific), % IACS 32
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.8
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 320
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
150 to 380
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10 to 22
15 to 16
Strength to Weight: Bending, points 12 to 20
16 to 17
Thermal Diffusivity, mm2/s 41
14
Thermal Shock Resistance, points 11 to 24
13 to 14

Alloy Composition

Carbon (C), % 0
0.18 to 0.23
Copper (Cu), % 84 to 87
0
Iron (Fe), % 0 to 0.050
99.08 to 99.52
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.4 to 1.0
0
Zinc (Zn), % 11.4 to 15.6
0
Residuals, % 0 to 0.5
0