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C68800 Brass vs. SAE-AISI 4028 Steel

C68800 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 (4, in this case) are not shown.

For each property being compared, the top bar is C68800 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, % 2.0 to 36
14 to 23
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 380 to 510
310 to 380
Tensile Strength: Ultimate (UTS), MPa 570 to 890
490 to 630
Tensile Strength: Yield (Proof), MPa 390 to 790
260 to 520

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 960
1460
Melting Onset (Solidus), °C 950
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 40
49
Thermal Expansion, µm/m-K 19
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 20
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.1
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 48
19
Embodied Water, L/kg 350
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
81 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
180 to 720
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19 to 30
17 to 22
Strength to Weight: Bending, points 19 to 25
18 to 21
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 19 to 30
16 to 20

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Carbon (C), % 0
0.25 to 0.3
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0
Iron (Fe), % 0 to 0.2
98.1 to 98.7
Lead (Pb), % 0 to 0.050
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), % 0
0.15 to 0.35
Sulfur (S), % 0
0.035 to 0.050
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0