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ACI-ASTM CA40 Steel vs. C69710 Brass

ACI-ASTM CA40 steel belongs to the iron alloys classification, while C69710 brass belongs to the copper 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 ACI-ASTM CA40 steel and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 10
25
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 910
470
Tensile Strength: Yield (Proof), MPa 860
230

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 750
160
Melting Completion (Liquidus), °C 1440
930
Melting Onset (Solidus), °C 1500
880
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 10
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
26
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
44
Embodied Water, L/kg 100
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
99
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
250
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 33
16
Strength to Weight: Bending, points 27
16
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 33
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Carbon (C), % 0.2 to 0.4
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
75 to 80
Iron (Fe), % 81.5 to 88.3
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0 to 1.0
0 to 0.4
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
2.5 to 3.5
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
13.8 to 22
Residuals, % 0
0 to 0.5