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ACI-ASTM CD3MWCuN Steel vs. SAE-AISI D2 Steel

Both ACI-ASTM CD3MWCuN steel and SAE-AISI D2 steel are iron alloys. They have 75% of their average alloy composition in common. 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 CD3MWCuN steel and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
5.0 to 16
Fatigue Strength, MPa 370
310 to 860
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 790
760 to 2000
Tensile Strength: Yield (Proof), MPa 500
470 to 1510

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
31
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 22
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.2
3.4
Embodied Energy, MJ/kg 58
50
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 42
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 620
570 to 5940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
27 to 72
Strength to Weight: Bending, points 24
24 to 46
Thermal Diffusivity, mm2/s 4.2
8.3
Thermal Shock Resistance, points 22
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.030
1.4 to 1.6
Chromium (Cr), % 24 to 26
11 to 13
Copper (Cu), % 0.5 to 1.0
0 to 0.25
Iron (Fe), % 56.6 to 65.3
81.3 to 86.9
Manganese (Mn), % 0 to 1.5
0 to 0.6
Molybdenum (Mo), % 3.0 to 4.0
0.7 to 1.2
Nickel (Ni), % 6.5 to 8.5
0 to 0.3
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.5 to 1.0
0
Vanadium (V), % 0
0 to 1.1