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ACI-ASTM CE8MN Steel vs. EN 1.4805 Stainless Steel

Both ACI-ASTM CE8MN steel and EN 1.4805 stainless steel are iron alloys. They have 83% 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 EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
9.0
Fatigue Strength, MPa 370
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
490
Tensile Strength: Yield (Proof), MPa 500
250

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 21
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.2
4.7
Embodied Energy, MJ/kg 58
66
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 40
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
37
Resilience: Unit (Modulus of Resilience), kJ/m3 620
150
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.2
3.7
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.5
Chromium (Cr), % 22.5 to 25.5
19 to 23
Iron (Fe), % 56 to 66.4
44.9 to 56.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.5
0 to 0.5
Nickel (Ni), % 8.0 to 11
23 to 27
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030