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CC755S Brass vs. ACI-ASTM CB7Cu-2 Steel

CC755S brass belongs to the copper alloys classification, while ACI-ASTM CB7Cu-2 steel belongs to the iron alloys. There are 28 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 CC755S brass and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 9.5
5.7 to 11
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 390
960 to 1350
Tensile Strength: Yield (Proof), MPa 250
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Melting Completion (Liquidus), °C 820
1430
Melting Onset (Solidus), °C 780
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 330
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 290
1510 to 3600
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14
34 to 48
Strength to Weight: Bending, points 15
28 to 35
Thermal Diffusivity, mm2/s 38
4.6
Thermal Shock Resistance, points 13
32 to 45

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 59.5 to 61
2.5 to 3.2
Iron (Fe), % 0.050 to 0.2
73.6 to 79
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 0.7
Nickel (Ni), % 0 to 0.2
4.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.050
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0