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C87400 Brass vs. ACI-ASTM CB6 Steel

C87400 brass belongs to the copper alloys classification, while ACI-ASTM CB6 steel belongs to the iron 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 C87400 brass and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 21
18
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 390
880
Tensile Strength: Yield (Proof), MPa 160
660

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 170
870
Melting Completion (Liquidus), °C 920
1440
Melting Onset (Solidus), °C 820
1390
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 28
17
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 27
12
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.5
Embodied Energy, MJ/kg 44
36
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
150
Resilience: Unit (Modulus of Resilience), kJ/m3 120
1110
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13
32
Strength to Weight: Bending, points 14
26
Thermal Diffusivity, mm2/s 8.3
4.6
Thermal Shock Resistance, points 14
31

Alloy Composition


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Aluminum (Al), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 79 to 85.5
0
Iron (Fe), % 0
74.4 to 81
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 5.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 4.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.8
0