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C42500 Brass vs. ACI-ASTM CB7Cu-1 Steel

C42500 brass belongs to the copper alloys classification, while ACI-ASTM CB7Cu-1 steel belongs to the iron 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 C42500 brass and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.0 to 49
5.7 to 11
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
76
Tensile Strength: Ultimate (UTS), MPa 310 to 630
960 to 1350
Tensile Strength: Yield (Proof), MPa 120 to 590
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 200
280
Melting Completion (Liquidus), °C 1030
1430
Melting Onset (Solidus), °C 1010
1500
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
13
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 330
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 130
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 1570
1500 to 3590
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.9 to 20
34 to 48
Strength to Weight: Bending, points 12 to 19
28 to 35
Thermal Diffusivity, mm2/s 36
4.6
Thermal Shock Resistance, points 11 to 22
32 to 45

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15.5 to 17.7
Copper (Cu), % 87 to 90
2.5 to 3.2
Iron (Fe), % 0 to 0.050
72.3 to 78.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.7
Nickel (Ni), % 0
3.6 to 4.6
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.35
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.5 to 3.0
0
Zinc (Zn), % 6.1 to 11.5
0
Residuals, % 0 to 0.5
0