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ACI-ASTM CE8MN Steel vs. N08031 Stainless Steel

Both ACI-ASTM CE8MN steel and N08031 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 29 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 N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 29
45
Fatigue Strength, MPa 370
290
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 750
730
Tensile Strength: Yield (Proof), MPa 500
310

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 21
39
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.2
7.1
Embodied Energy, MJ/kg 58
96
Embodied Water, L/kg 180
240

Common Calculations

PREN (Pitting Resistance) 40
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
270
Resilience: Unit (Modulus of Resilience), kJ/m3 620
230
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.2
3.1
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 22.5 to 25.5
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 56 to 66.4
29 to 36.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.5
6.0 to 7.0
Nickel (Ni), % 8.0 to 11
30 to 32
Nitrogen (N), % 0.1 to 0.3
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.5
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.010