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ACI-ASTM CB7Cu-1 Steel vs. C66300 Brass

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C66300 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 C66300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.7 to 11
2.3 to 22
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
460 to 810
Tensile Strength: Yield (Proof), MPa 760 to 1180
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Melting Completion (Liquidus), °C 1430
1050
Melting Onset (Solidus), °C 1500
1000
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 17
110
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
26

Otherwise Unclassified Properties

Base Metal Price, % relative 13
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 38
46
Embodied Water, L/kg 130
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
17 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
710 to 2850
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 34 to 48
15 to 26
Strength to Weight: Bending, points 28 to 35
15 to 22
Thermal Diffusivity, mm2/s 4.6
32
Thermal Shock Resistance, points 32 to 45
16 to 28

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 2.5 to 3.2
84.5 to 87.5
Iron (Fe), % 72.3 to 78.4
1.4 to 2.4
Lead (Pb), % 0
0 to 0.050
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 to 0.35
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 0
6.0 to 12.8
Residuals, % 0
0 to 0.5