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C35000 Brass vs. SAE-AISI 1020 Steel

C35000 brass belongs to the copper alloys classification, while SAE-AISI 1020 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C35000 brass and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 340 to 650
430 to 460

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 920
1460
Melting Onset (Solidus), °C 890
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
52
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
11
Electrical Conductivity: Equal Weight (Specific), % IACS 29
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 320
45

Common Calculations

Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12 to 22
15 to 16
Strength to Weight: Bending, points 13 to 21
16 to 17
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 11 to 22
13 to 14

Alloy Composition

Carbon (C), % 0
0.18 to 0.23
Copper (Cu), % 60 to 63
0
Iron (Fe), % 0 to 0.1
99.08 to 99.52
Lead (Pb), % 0.8 to 2.0
0
Manganese (Mn), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 34.5 to 39.2
0
Residuals, % 0 to 0.4
0