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C87900 Brass vs. ACI-ASTM CD3MWCuN Steel

C87900 brass belongs to the copper alloys classification, while ACI-ASTM CD3MWCuN 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 C87900 brass and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
29
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 480
790
Tensile Strength: Yield (Proof), MPa 240
500

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 900
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
22
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.2
Embodied Energy, MJ/kg 46
58
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
200
Resilience: Unit (Modulus of Resilience), kJ/m3 270
620
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 37
4.2
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 63 to 69.2
0.5 to 1.0
Iron (Fe), % 0 to 0.4
56.6 to 65.3
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.025
Tin (Sn), % 0 to 0.25
0
Tungsten (W), % 0
0.5 to 1.0
Zinc (Zn), % 30 to 36
0