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ACI-ASTM CB7Cu-1 Steel vs. C46500 Brass

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C46500 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-1 steel and the bottom bar is C46500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 5.7 to 11
18 to 50
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
380 to 610
Tensile Strength: Yield (Proof), MPa 760 to 1180
190 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Melting Completion (Liquidus), °C 1430
900
Melting Onset (Solidus), °C 1500
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 17
120
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 38
47
Embodied Water, L/kg 130
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
99 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
170 to 1170
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 34 to 48
13 to 21
Strength to Weight: Bending, points 28 to 35
15 to 20
Thermal Diffusivity, mm2/s 4.6
38
Thermal Shock Resistance, points 32 to 45
13 to 20

Alloy Composition

Arsenic (As), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
59 to 62
Iron (Fe), % 72.3 to 78.4
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 3.6 to 4.6
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 0
36.2 to 40.5
Residuals, % 0
0 to 0.4