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C87900 Brass vs. ACI-ASTM CA40F Steel

C87900 brass belongs to the copper alloys classification, while ACI-ASTM CA40F steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
13
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 480
770
Tensile Strength: Yield (Proof), MPa 240
550

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 130
750
Melting Completion (Liquidus), °C 930
1430
Melting Onset (Solidus), °C 900
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
27
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
7.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 46
28
Embodied Water, L/kg 320
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
94
Resilience: Unit (Modulus of Resilience), kJ/m3 270
790
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
7.2
Thermal Shock Resistance, points 16
28

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
0.2 to 0.4
Chromium (Cr), % 0
11.5 to 14
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
81.6 to 88.3
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.5
Sulfur (S), % 0 to 0.050
0.2 to 0.4
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0