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ACI-ASTM CE8MN Steel vs. AISI 301 Stainless Steel

Both ACI-ASTM CE8MN steel and AISI 301 stainless steel are iron alloys. They have 86% 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 CE8MN steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
7.4 to 46
Fatigue Strength, MPa 370
210 to 600
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
590 to 1460
Tensile Strength: Yield (Proof), MPa 500
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 13
17

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
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 58
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 40
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 620
130 to 2970
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21 to 52
Strength to Weight: Bending, points 23
20 to 37
Thermal Diffusivity, mm2/s 4.2
4.2
Thermal Shock Resistance, points 21
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 22.5 to 25.5
16 to 18
Iron (Fe), % 56 to 66.4
70.7 to 78
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.5
0
Nickel (Ni), % 8.0 to 11
6.0 to 8.0
Nitrogen (N), % 0.1 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030