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ACI-ASTM CD3MCuN Steel vs. C38500 Bronze

ACI-ASTM CD3MCuN steel belongs to the iron alloys classification, while C38500 bronze belongs to the copper 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 ACI-ASTM CD3MCuN steel and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 29
17
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 80
37
Tensile Strength: Ultimate (UTS), MPa 790
370
Tensile Strength: Yield (Proof), MPa 500
130

Thermal Properties

Latent Heat of Fusion, J/g 300
160
Maximum Temperature: Mechanical, °C 1100
110
Melting Completion (Liquidus), °C 1440
890
Melting Onset (Solidus), °C 1390
880
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
31

Otherwise Unclassified Properties

Base Metal Price, % relative 20
22
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.9
2.6
Embodied Energy, MJ/kg 54
45
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
48
Resilience: Unit (Modulus of Resilience), kJ/m3 620
78
Stiffness to Weight: Axial, points 15
7.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
13
Strength to Weight: Bending, points 24
14
Thermal Diffusivity, mm2/s 4.1
40
Thermal Shock Resistance, points 22
12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26.7
0
Copper (Cu), % 1.4 to 1.9
55 to 59
Iron (Fe), % 58.2 to 65.9
0 to 0.35
Lead (Pb), % 0
2.5 to 3.5
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 2.9 to 3.8
0
Nickel (Ni), % 5.6 to 6.7
0
Nitrogen (N), % 0.22 to 0.33
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.1
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
36.7 to 42.5
Residuals, % 0
0 to 0.5