ACI-ASTM CB7Cu-2 Steel vs. C99400 Brass
ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while C99400 brass belongs to the copper alloys. There are 23 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-2 steel and the bottom bar is C99400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
120 |
Poisson's Ratio | 0.28 | |
0.34 |
Shear Modulus, GPa | 75 | |
44 |
Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
460 to 550 |
Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
230 to 370 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
230 |
Melting Completion (Liquidus), °C | 1430 | |
1070 |
Melting Onset (Solidus), °C | 1380 | |
1020 |
Specific Heat Capacity, J/kg-K | 480 | |
400 |
Thermal Expansion, µm/m-K | 11 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
17 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
17 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 13 | |
30 |
Density, g/cm3 | 7.8 | |
8.7 |
Embodied Carbon, kg CO2/kg material | 2.6 | |
2.8 |
Embodied Energy, MJ/kg | 38 | |
45 |
Embodied Water, L/kg | 130 | |
310 |
Common Calculations
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1510 to 3600 | |
230 to 590 |
Stiffness to Weight: Axial, points | 14 | |
7.5 |
Stiffness to Weight: Bending, points | 25 | |
19 |
Strength to Weight: Axial, points | 34 to 48 | |
15 to 17 |
Strength to Weight: Bending, points | 28 to 35 | |
15 to 17 |
Thermal Shock Resistance, points | 32 to 45 | |
16 to 19 |
Alloy Composition
Aluminum (Al), % | 0 | |
0.5 to 2.0 |
Carbon (C), % | 0 to 0.070 | |
0 |
Chromium (Cr), % | 14 to 15.5 | |
0 |
Copper (Cu), % | 2.5 to 3.2 | |
83.5 to 96.5 |
Iron (Fe), % | 73.6 to 79 | |
1.0 to 3.0 |
Lead (Pb), % | 0 | |
0 to 0.25 |
Manganese (Mn), % | 0 to 0.7 | |
0 to 0.5 |
Nickel (Ni), % | 4.5 to 5.5 | |
1.0 to 3.5 |
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 | |
0.5 to 2.0 |
Sulfur (S), % | 0 to 0.030 | |
0 |
Zinc (Zn), % | 0 | |
0.5 to 5.0 |
Residuals, % | 0 | |
0 to 0.3 |