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ACI-ASTM CE3MN Steel vs. AISI 304N Stainless Steel

Both ACI-ASTM CE3MN steel and AISI 304N stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE3MN steel and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
9.1 to 45
Fatigue Strength, MPa 380
220 to 440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 770
620 to 1180
Tensile Strength: Yield (Proof), MPa 590
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.0
Embodied Energy, MJ/kg 58
43
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 840
180 to 1830
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
22 to 42
Strength to Weight: Bending, points 24
21 to 32
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 21
14 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
18 to 20
Iron (Fe), % 58.1 to 65.9
66.4 to 73.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
8.0 to 10.5
Nitrogen (N), % 0.1 to 0.3
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030