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CC765S Brass vs. ACI-ASTM CB7Cu-2 Steel

CC765S 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 CC765S 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, % 21
5.7 to 11
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 42
75
Tensile Strength: Ultimate (UTS), MPa 540
960 to 1350
Tensile Strength: Yield (Proof), MPa 220
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Melting Completion (Liquidus), °C 860
1430
Melting Onset (Solidus), °C 820
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 91
17
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 34
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 51
38
Embodied Water, L/kg 330
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1510 to 3600
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
34 to 48
Strength to Weight: Bending, points 18
28 to 35
Thermal Diffusivity, mm2/s 28
4.6
Thermal Shock Resistance, points 17
32 to 45

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 51 to 65
2.5 to 3.2
Iron (Fe), % 0.5 to 2.0
73.6 to 79
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0.3 to 3.0
0 to 0.7
Nickel (Ni), % 0 to 6.0
4.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
0