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ACI-ASTM CA40 Steel vs. CC764S Brass

ACI-ASTM CA40 steel belongs to the iron alloys classification, while CC764S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
160
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 10
15
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 910
680
Tensile Strength: Yield (Proof), MPa 860
290

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 750
130
Melting Completion (Liquidus), °C 1440
850
Melting Onset (Solidus), °C 1500
810
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 25
94
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
36

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 28
49
Embodied Water, L/kg 100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
80
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
390
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 33
24
Strength to Weight: Bending, points 27
22
Thermal Diffusivity, mm2/s 6.7
30
Thermal Shock Resistance, points 33
22

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.2 to 0.4
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
52 to 66
Iron (Fe), % 81.5 to 88.3
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0.3 to 4.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
20.7 to 50.2