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ACI-ASTM CN3MN Steel vs. EN 1.4547 Stainless Steel

Both ACI-ASTM CN3MN steel and EN 1.4547 stainless steel are iron alloys. They have a moderately high 92% 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 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
230
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
39
Fatigue Strength, MPa 250
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 620
750
Tensile Strength: Yield (Proof), MPa 300
340

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
460
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
28
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 6.2
5.6
Embodied Energy, MJ/kg 84
75
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 46
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
240
Resilience: Unit (Modulus of Resilience), kJ/m3 210
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 3.4
3.8
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 20 to 22
19.5 to 20.5
Copper (Cu), % 0 to 0.75
0.5 to 1.0
Iron (Fe), % 41.4 to 50.3
51 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
6.0 to 7.0
Nickel (Ni), % 23.5 to 25.5
17.5 to 18.5
Nitrogen (N), % 0.18 to 0.26
0.18 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.010