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AISI 205 Stainless Steel vs. ACI-ASTM CE8MN Steel

Both AISI 205 stainless steel and ACI-ASTM CE8MN steel are iron alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 205 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, % 11 to 51
29
Fatigue Strength, MPa 410 to 640
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
750
Tensile Strength: Yield (Proof), MPa 450 to 1100
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 1380
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
21
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 37
58
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
190
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
27
Strength to Weight: Bending, points 25 to 37
23
Thermal Shock Resistance, points 16 to 29
21

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
22.5 to 25.5
Iron (Fe), % 62.6 to 68.1
56 to 66.4
Manganese (Mn), % 14 to 15.5
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 1.0 to 1.7
8.0 to 11
Nitrogen (N), % 0.32 to 0.4
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