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EN 1.4301 Stainless Steel vs. ACI-ASTM CN3MN Steel

Both EN 1.4301 stainless steel and ACI-ASTM CN3MN steel are iron alloys. They have 75% 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 EN 1.4301 stainless steel and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
180
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 46
39
Fatigue Strength, MPa 200 to 330
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 610 to 900
620
Tensile Strength: Yield (Proof), MPa 220 to 570
300

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.0
6.2
Embodied Energy, MJ/kg 43
84
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 19
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
200
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 32
21
Strength to Weight: Bending, points 20 to 27
20
Thermal Diffusivity, mm2/s 4.0
3.4
Thermal Shock Resistance, points 14 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 17.5 to 19.5
20 to 22
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 66.8 to 74.5
41.4 to 50.3
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 8.0 to 10.5
23.5 to 25.5
Nitrogen (N), % 0 to 0.1
0.18 to 0.26
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010