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SAE-AISI 1140 Steel vs. CC750S Brass

SAE-AISI 1140 steel belongs to the iron alloys classification, while CC750S 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 CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
54
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 14 to 18
13
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 600 to 700
200
Tensile Strength: Yield (Proof), MPa 340 to 570
80

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 400
130
Melting Completion (Liquidus), °C 1460
860
Melting Onset (Solidus), °C 1420
810
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 51
110
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
26

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 18
46
Embodied Water, L/kg 46
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 93
22
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 870
30
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 21 to 25
6.8
Strength to Weight: Bending, points 20 to 22
9.3
Thermal Diffusivity, mm2/s 14
35
Thermal Shock Resistance, points 18 to 21
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.37 to 0.44
0
Copper (Cu), % 0
62 to 67
Iron (Fe), % 98.4 to 98.9
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
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 0.050
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0.080 to 0.13
0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
26.3 to 36