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AISI 201 Stainless Steel vs. ACI-ASTM CE8MN Steel

Both AISI 201 stainless steel and ACI-ASTM CE8MN steel are iron alloys. They have 84% 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 AISI 201 stainless steel and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.6 to 51
29
Fatigue Strength, MPa 280 to 600
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 650 to 1450
750
Tensile Strength: Yield (Proof), MPa 300 to 1080
500

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
21
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 38
58
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 19
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 340
190
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 52
27
Strength to Weight: Bending, points 22 to 37
23
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 14 to 32
21

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 16 to 18
22.5 to 25.5
Iron (Fe), % 67.5 to 75
56 to 66.4
Manganese (Mn), % 5.5 to 7.5
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 3.5 to 5.5
8.0 to 11
Nitrogen (N), % 0 to 0.25
0.1 to 0.3
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040