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SAE-AISI D3 Steel vs. ACI-ASTM CN3M Steel

Both SAE-AISI D3 steel and ACI-ASTM CN3M steel are iron alloys. They have 60% of their average alloy composition in common. There are 28 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 SAE-AISI D3 steel and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.8 to 15
34
Fatigue Strength, MPa 310 to 940
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
500
Tensile Strength: Yield (Proof), MPa 480 to 1550
190

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
31
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.2
5.9
Embodied Energy, MJ/kg 48
80
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 13
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 74
17
Strength to Weight: Bending, points 24 to 47
17
Thermal Diffusivity, mm2/s 8.3
3.4
Thermal Shock Resistance, points 23 to 63
11

Alloy Composition

Carbon (C), % 2.0 to 2.4
0 to 0.030
Chromium (Cr), % 11 to 13.5
20 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.3 to 87
42.4 to 52.5
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0 to 0.3
23 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0