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ACI-ASTM CE8MN Steel vs. N08332 Stainless Steel

Both ACI-ASTM CE8MN steel and N08332 stainless steel are iron alloys. They have 73% 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 N08332 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
34
Fatigue Strength, MPa 370
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 750
520
Tensile Strength: Yield (Proof), MPa 500
210

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
1050
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
32
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.2
5.4
Embodied Energy, MJ/kg 58
77
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 40
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 620
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.2
3.1
Thermal Shock Resistance, points 21
12

Alloy Composition

Carbon (C), % 0 to 0.080
0.050 to 0.1
Chromium (Cr), % 22.5 to 25.5
17 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 56 to 66.4
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.5
0
Nickel (Ni), % 8.0 to 11
34 to 37
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0.75 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030
Tin (Sn), % 0
0 to 0.025