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CC750S Brass vs. SAE-AISI 1140 Steel

CC750S brass belongs to the copper alloys classification, while SAE-AISI 1140 steel belongs to the iron 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 CC750S brass and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0
0.37 to 0.44
Copper (Cu), % 62 to 67
0
Iron (Fe), % 0 to 0.8
98.4 to 98.9
Lead (Pb), % 1.0 to 3.0
0
Manganese (Mn), % 0 to 0.2
0.7 to 1.0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.050
0
Sulfur (S), % 0
0.080 to 0.13
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 26.3 to 36
0