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ACI-ASTM CE3MN Steel vs. S33550 Stainless Steel

Both ACI-ASTM CE3MN steel and S33550 stainless steel are iron alloys. They have 87% 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 CE3MN steel and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
40
Fatigue Strength, MPa 380
270
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 770
680
Tensile Strength: Yield (Proof), MPa 590
310

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
470
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
24
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
4.3
Embodied Energy, MJ/kg 58
61
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 43
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 840
250
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 4.1
3.9
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 24 to 26
25 to 28
Iron (Fe), % 58.1 to 65.9
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0.1 to 0.3
0.18 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030