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SAE-AISI 1140 Steel vs. CC761S Brass

SAE-AISI 1140 steel belongs to the iron alloys classification, while CC761S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1140 steel and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 14 to 18
8.7
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
42
Tensile Strength: Ultimate (UTS), MPa 600 to 700
540
Tensile Strength: Yield (Proof), MPa 340 to 570
340

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
960
Melting Onset (Solidus), °C 1420
910
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 51
27
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
43

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 18
45
Embodied Water, L/kg 46
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 93
41
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 870
530
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 21 to 25
18
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 14
8.0
Thermal Shock Resistance, points 18 to 21
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.37 to 0.44
0
Copper (Cu), % 0
78 to 83
Iron (Fe), % 98.4 to 98.9
0 to 0.6
Lead (Pb), % 0
0 to 0.8
Manganese (Mn), % 0.7 to 1.0
0 to 0.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
3.0 to 5.0
Sulfur (S), % 0.080 to 0.13
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
8.9 to 19