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EN 1.8201 Steel vs. AISI 415 Stainless Steel

Both EN 1.8201 steel and AISI 415 stainless steel are iron alloys. Both are furnished in the normalized and tempered condition. They have 84% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, 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 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
17
Fatigue Strength, MPa 310
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 390
550
Tensile Strength: Ultimate (UTS), MPa 630
900
Tensile Strength: Yield (Proof), MPa 450
700

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 450
780
Melting Completion (Liquidus), °C 1500
1450
Melting Onset (Solidus), °C 1450
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.5
Embodied Energy, MJ/kg 36
35
Embodied Water, L/kg 59
110

Common Calculations

PREN (Pitting Resistance) 5.7
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 530
1250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 11
6.4
Thermal Shock Resistance, points 18
33

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 0.050
Chromium (Cr), % 1.9 to 2.6
11.5 to 14
Iron (Fe), % 93.6 to 96.2
77.8 to 84
Manganese (Mn), % 0.1 to 0.6
0.5 to 1.0
Molybdenum (Mo), % 0.050 to 0.3
0.5 to 1.0
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.6
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