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C69400 Brass vs. SAE-AISI 4028 Steel

C69400 brass belongs to the copper alloys classification, while SAE-AISI 4028 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is SAE-AISI 4028 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
14 to 23
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 350
310 to 380
Tensile Strength: Ultimate (UTS), MPa 570
490 to 630
Tensile Strength: Yield (Proof), MPa 270
260 to 520

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 920
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 26
49
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 27
2.1
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 300
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
81 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 340
180 to 720
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19
17 to 22
Strength to Weight: Bending, points 18
18 to 21
Thermal Diffusivity, mm2/s 7.7
13
Thermal Shock Resistance, points 20
16 to 20

Alloy Composition

Carbon (C), % 0
0.25 to 0.3
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
98.1 to 98.7
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 3.5 to 4.5
0.15 to 0.35
Sulfur (S), % 0
0.035 to 0.050
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0