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ACI-ASTM CF3MN Steel vs. EN 1.4028 Stainless Steel

Both ACI-ASTM CF3MN steel and EN 1.4028 stainless 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 ACI-ASTM CF3MN steel and the bottom bar is EN 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
11 to 17
Fatigue Strength, MPa 250
230 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 580
660 to 930
Tensile Strength: Yield (Proof), MPa 290
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1010
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 53
27
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 30
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
94 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 210
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
24 to 33
Strength to Weight: Bending, points 20
22 to 27
Thermal Diffusivity, mm2/s 4.1
8.1
Thermal Shock Resistance, points 13
23 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0.26 to 0.35
Chromium (Cr), % 17 to 22
12 to 14
Iron (Fe), % 58.7 to 71.9
83.1 to 87.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 13
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015