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ACI-ASTM CN3MN Steel vs. EN 1.4361 Stainless Steel

Both ACI-ASTM CN3MN steel and EN 1.4361 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 32 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 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
43
Fatigue Strength, MPa 250
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 620
630
Tensile Strength: Yield (Proof), MPa 300
250

Thermal Properties

Latent Heat of Fusion, J/g 310
350
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 13
14
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
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
19
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 6.2
3.6
Embodied Energy, MJ/kg 84
52
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 46
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 3.4
3.7
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 20 to 22
16.5 to 18.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
58.7 to 65.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0 to 0.2
Nickel (Ni), % 23.5 to 25.5
14 to 16
Nitrogen (N), % 0.18 to 0.26
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
3.7 to 4.5
Sulfur (S), % 0 to 0.010
0 to 0.010