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CC751S Brass vs. ACI-ASTM CB7Cu-2 Steel

CC751S 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 CC751S brass and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 5.6
5.7 to 11
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 450
960 to 1350
Tensile Strength: Yield (Proof), MPa 320
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Melting Completion (Liquidus), °C 850
1430
Melting Onset (Solidus), °C 810
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
17
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 330
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
1510 to 3600
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
34 to 48
Strength to Weight: Bending, points 16
28 to 35
Thermal Diffusivity, mm2/s 35
4.6
Thermal Shock Resistance, points 15
32 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 62.7 to 66
2.5 to 3.2
Iron (Fe), % 0.25 to 0.5
73.6 to 79
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 0.7
Nickel (Ni), % 0 to 0.8
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), % 0.65 to 1.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0