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EN 1.8201 Steel vs. AISI 304LN Stainless Steel

Both EN 1.8201 steel and AISI 304LN stainless steel are iron alloys. They have 72% 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 1.8201 steel and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
7.8 to 46
Fatigue Strength, MPa 310
200 to 440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 390
400 to 680
Tensile Strength: Ultimate (UTS), MPa 630
580 to 1160
Tensile Strength: Yield (Proof), MPa 450
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 450
960
Melting Completion (Liquidus), °C 1500
1420
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
16
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.1
Embodied Energy, MJ/kg 36
44
Embodied Water, L/kg 59
150

Common Calculations

PREN (Pitting Resistance) 5.7
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 530
140 to 1900
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
21 to 41
Strength to Weight: Bending, points 20
20 to 31
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 18
13 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 1.9 to 2.6
18 to 20
Iron (Fe), % 93.6 to 96.2
65 to 73.9
Manganese (Mn), % 0.1 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.050 to 0.3
0
Nickel (Ni), % 0
8.0 to 12
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0.1 to 0.16
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0