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ACI-ASTM CN3MN Steel vs. SAE-AISI 12L14 Steel

Both ACI-ASTM CN3MN steel and SAE-AISI 12L14 steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 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 CN3MN steel and the bottom bar is SAE-AISI 12L14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
11 to 25
Fatigue Strength, MPa 250
190 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 620
440 to 620
Tensile Strength: Yield (Proof), MPa 300
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
1.4
Embodied Energy, MJ/kg 84
18
Embodied Water, L/kg 200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
64 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 210
180 to 560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
15 to 22
Strength to Weight: Bending, points 20
16 to 20
Thermal Diffusivity, mm2/s 3.4
14
Thermal Shock Resistance, points 14
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
97.9 to 98.7
Lead (Pb), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 2.0
0.85 to 1.2
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
0
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0.040 to 0.090
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0.26 to 0.35