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ACI-ASTM CD3MCuN Steel vs. SAE-AISI 4028 Steel

Both ACI-ASTM CD3MCuN steel and SAE-AISI 4028 steel are iron alloys. They have 63% of their average alloy composition in common. There are 29 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 SAE-AISI 4028 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
14 to 23
Fatigue Strength, MPa 370
180 to 330
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 790
490 to 630
Tensile Strength: Yield (Proof), MPa 500
260 to 520

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 54
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
81 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 620
180 to 720
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
17 to 22
Strength to Weight: Bending, points 24
18 to 21
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 22
16 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.25 to 0.3
Chromium (Cr), % 24 to 26.7
0
Copper (Cu), % 1.4 to 1.9
0
Iron (Fe), % 58.2 to 65.9
98.1 to 98.7
Manganese (Mn), % 0 to 1.2
0.7 to 0.9
Molybdenum (Mo), % 2.9 to 3.8
0.2 to 0.3
Nickel (Ni), % 5.6 to 6.7
0
Nitrogen (N), % 0.22 to 0.33
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.1
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0.035 to 0.050