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ACI-ASTM CB7Cu-1 Steel vs. C84000 Brass

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C84000 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
65
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.7 to 11
27
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
250
Tensile Strength: Yield (Proof), MPa 760 to 1180
140

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Melting Completion (Liquidus), °C 1430
1040
Melting Onset (Solidus), °C 1500
940
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 17
72
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 38
49
Embodied Water, L/kg 130
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
58
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 34 to 48
8.2
Strength to Weight: Bending, points 28 to 35
10
Thermal Diffusivity, mm2/s 4.6
22
Thermal Shock Resistance, points 32 to 45
9.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
82 to 89
Iron (Fe), % 72.3 to 78.4
0 to 0.4
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 0.7
0 to 0.010
Nickel (Ni), % 3.6 to 4.6
0.5 to 2.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.030
0.1 to 0.65
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 0
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7