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C69400 Brass vs. SAE-AISI 5140 Steel

C69400 brass belongs to the copper alloys classification, while SAE-AISI 5140 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 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
12 to 29
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 350
360 to 600
Tensile Strength: Ultimate (UTS), MPa 570
560 to 970
Tensile Strength: Yield (Proof), MPa 270
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
420
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
45
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.3

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
1.4
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 300
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 340
220 to 1880
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19
20 to 34
Strength to Weight: Bending, points 18
19 to 28
Thermal Diffusivity, mm2/s 7.7
12
Thermal Shock Resistance, points 20
16 to 29

Alloy Composition

Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
97.3 to 98.1
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.7 to 0.9
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 3.5 to 4.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0