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ACI-ASTM CA40 Steel vs. C46500 Brass

ACI-ASTM CA40 steel belongs to the iron alloys classification, while C46500 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is C46500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 10
18 to 50
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 910
380 to 610
Tensile Strength: Yield (Proof), MPa 860
190 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 750
120
Melting Completion (Liquidus), °C 1440
900
Melting Onset (Solidus), °C 1500
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 25
120
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
29

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
23
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
47
Embodied Water, L/kg 100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
99 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
170 to 1170
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 33
13 to 21
Strength to Weight: Bending, points 27
15 to 20
Thermal Diffusivity, mm2/s 6.7
38
Thermal Shock Resistance, points 33
13 to 20

Alloy Composition

Arsenic (As), % 0
0.020 to 0.060
Carbon (C), % 0.2 to 0.4
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
59 to 62
Iron (Fe), % 81.5 to 88.3
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 0
36.2 to 40.5
Residuals, % 0
0 to 0.4