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ACI-ASTM CN3MN Steel vs. EN 1.4443 Stainless Steel

Both ACI-ASTM CN3MN steel and EN 1.4443 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.4443 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
34
Fatigue Strength, MPa 250
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 620
490
Tensile Strength: Yield (Proof), MPa 300
210

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
20
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
4.0
Embodied Energy, MJ/kg 84
54
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 46
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 3.4
3.9
Thermal Shock Resistance, points 14
11

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 20 to 22
18 to 20
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
60.4 to 69.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
2.5 to 3.0
Nickel (Ni), % 23.5 to 25.5
10 to 13
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.030