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EN 1.8201 Steel vs. EN 1.4474 Stainless Steel

Both EN 1.8201 steel and EN 1.4474 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8201 steel and the bottom bar is EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
23
Fatigue Strength, MPa 310
320
Impact Strength: V-Notched Charpy, J 38
34
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 630
670
Tensile Strength: Yield (Proof), MPa 450
480

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1500
1430
Melting Onset (Solidus), °C 1450
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.4
Embodied Energy, MJ/kg 36
48
Embodied Water, L/kg 59
170

Common Calculations

PREN (Pitting Resistance) 5.7
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 530
560
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 18
18

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
25 to 27
Iron (Fe), % 93.6 to 96.2
61.2 to 69.1
Manganese (Mn), % 0.1 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.050 to 0.3
1.3 to 2.0
Nickel (Ni), % 0
4.5 to 6.5
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0