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EN 1.4005 Stainless Steel vs. ACI-ASTM CF3MN Steel

Both EN 1.4005 stainless steel and ACI-ASTM CF3MN steel are iron alloys. They have 80% 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 1.4005 stainless steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 21
39
Fatigue Strength, MPa 240 to 290
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 630 to 750
580
Tensile Strength: Yield (Proof), MPa 370 to 500
290

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 760
1010
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.9
Embodied Energy, MJ/kg 28
53
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 14
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
20
Strength to Weight: Bending, points 21 to 24
20
Thermal Diffusivity, mm2/s 8.1
4.1
Thermal Shock Resistance, points 23 to 27
13

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.030
Chromium (Cr), % 12 to 14
17 to 22
Iron (Fe), % 82.4 to 87.8
58.7 to 71.9
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
2.0 to 3.0
Nickel (Ni), % 0
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0.15 to 0.35
0 to 0.040