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ACI-ASTM CD3MCuN Steel vs. SAE-AISI 1070 Steel

Both ACI-ASTM CD3MCuN steel and SAE-AISI 1070 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 (5, 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 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
10 to 13
Fatigue Strength, MPa 370
270 to 350
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 790
640 to 760
Tensile Strength: Yield (Proof), MPa 500
420 to 560

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
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.4
Embodied Energy, MJ/kg 54
19
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 620
470 to 850
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
23 to 27
Strength to Weight: Bending, points 24
21 to 24
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 22
21 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0.65 to 0.75
Chromium (Cr), % 24 to 26.7
0
Copper (Cu), % 1.4 to 1.9
0
Iron (Fe), % 58.2 to 65.9
98.3 to 98.8
Manganese (Mn), % 0 to 1.2
0.6 to 0.9
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 to 0.040
Silicon (Si), % 0 to 1.1
0
Sulfur (S), % 0 to 0.030
0 to 0.050