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ACI-ASTM CD3MWCuN Steel vs. SAE-AISI D3 Steel

Both ACI-ASTM CD3MWCuN steel and SAE-AISI D3 steel are iron alloys. They have 75% of their average alloy composition in common. 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 CD3MWCuN steel and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
9.8 to 15
Fatigue Strength, MPa 370
310 to 940
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 790
770 to 2050
Tensile Strength: Yield (Proof), MPa 500
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1460
1430
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
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.5

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
3.2
Embodied Energy, MJ/kg 58
48
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 42
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
97 to 180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
28 to 74
Strength to Weight: Bending, points 24
24 to 47
Thermal Diffusivity, mm2/s 4.2
8.3
Thermal Shock Resistance, points 22
23 to 63

Alloy Composition

Carbon (C), % 0 to 0.030
2.0 to 2.4
Chromium (Cr), % 24 to 26
11 to 13.5
Copper (Cu), % 0.5 to 1.0
0 to 0.25
Iron (Fe), % 56.6 to 65.3
80.3 to 87
Manganese (Mn), % 0 to 1.5
0 to 0.6
Molybdenum (Mo), % 3.0 to 4.0
0
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 to 1.0
Vanadium (V), % 0
0 to 1.0