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EN 1.4865 Stainless Steel vs. ACI-ASTM CE8MN Steel

Both EN 1.4865 stainless steel and ACI-ASTM CE8MN steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4865 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, % 6.8
29
Fatigue Strength, MPa 120
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 470
750
Tensile Strength: Yield (Proof), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 33
21
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.8
4.2
Embodied Energy, MJ/kg 81
58
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 20
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
190
Resilience: Unit (Modulus of Resilience), kJ/m3 160
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
27
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 3.1
4.2
Thermal Shock Resistance, points 11
21

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.080
Chromium (Cr), % 18 to 21
22.5 to 25.5
Iron (Fe), % 34.4 to 44.7
56 to 66.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.5
Nickel (Ni), % 36 to 39
8.0 to 11
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040