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ACI-ASTM CN3MN Steel vs. AISI 414 Stainless Steel

Both ACI-ASTM CN3MN steel and AISI 414 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 31 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 CN3MN steel and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
17
Fatigue Strength, MPa 250
430 to 480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 620
900 to 960
Tensile Strength: Yield (Proof), MPa 300
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
8.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
2.1
Embodied Energy, MJ/kg 84
29
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 46
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1260 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
32 to 34
Strength to Weight: Bending, points 20
27 to 28
Thermal Diffusivity, mm2/s 3.4
6.7
Thermal Shock Resistance, points 14
33 to 35

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 20 to 22
11.5 to 13.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
81.8 to 87.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
1.3 to 2.5
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030