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ACI-ASTM CN3MN Steel vs. EN 1.4474 Stainless Steel

Both ACI-ASTM CN3MN steel and EN 1.4474 stainless steel are iron alloys. They have 76% 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 CN3MN steel and the bottom bar is EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
23
Fatigue Strength, MPa 250
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 620
670
Tensile Strength: Yield (Proof), MPa 300
480

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
17
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
3.4
Embodied Energy, MJ/kg 84
48
Embodied Water, L/kg 200
170

Common Calculations

PREN (Pitting Resistance) 46
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
560
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 3.4
4.6
Thermal Shock Resistance, points 14
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 20 to 22
25 to 27
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
61.2 to 69.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
1.3 to 2.0
Nickel (Ni), % 23.5 to 25.5
4.5 to 6.5
Nitrogen (N), % 0.18 to 0.26
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025