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SAE-AISI 5140 Steel vs. C99750 Brass

SAE-AISI 5140 steel belongs to the iron alloys classification, while C99750 brass belongs to the copper alloys. There are 27 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 SAE-AISI 5140 steel and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 290
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
130
Elongation at Break, % 12 to 29
20 to 30
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
48
Tensile Strength: Ultimate (UTS), MPa 560 to 970
450 to 520
Tensile Strength: Yield (Proof), MPa 290 to 840
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 420
160
Melting Completion (Liquidus), °C 1460
840
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
3.1
Embodied Energy, MJ/kg 19
51
Embodied Water, L/kg 49
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 180
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1880
190 to 300
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 20 to 34
15 to 18
Strength to Weight: Bending, points 19 to 28
16 to 18
Thermal Shock Resistance, points 16 to 29
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Carbon (C), % 0.38 to 0.43
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
55 to 61
Iron (Fe), % 97.3 to 98.1
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0.7 to 0.9
17 to 23
Nickel (Ni), % 0
0 to 5.0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
17 to 23
Residuals, % 0
0 to 0.3