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EN 1.4109 Stainless Steel vs. ACI-ASTM CE3MN Steel

Both EN 1.4109 stainless steel and ACI-ASTM CE3MN steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4109 stainless steel and the bottom bar is ACI-ASTM CE3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 19
20
Fatigue Strength, MPa 270
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 770
770
Tensile Strength: Yield (Proof), MPa 420
590

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
21
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
4.2
Embodied Energy, MJ/kg 30
58
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 17
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 460
840
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
27
Strength to Weight: Bending, points 24
24
Thermal Diffusivity, mm2/s 8.1
4.1
Thermal Shock Resistance, points 28
21

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.030
Chromium (Cr), % 14 to 16
24 to 26
Iron (Fe), % 80.7 to 85
58.1 to 65.9
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.4 to 0.8
4.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.040