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EN 1.4418 Stainless Steel vs. EN 1.5419 Steel

Both EN 1.4418 stainless steel and EN 1.5419 steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 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 1.4418 stainless steel and the bottom bar is EN 1.5419 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 20
25
Fatigue Strength, MPa 350 to 480
200
Impact Strength: V-Notched Charpy, J 62 to 90
31
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
540
Tensile Strength: Yield (Proof), MPa 540 to 790
270

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 36
19
Strength to Weight: Bending, points 26 to 28
19
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 31 to 36
16

Alloy Composition

Carbon (C), % 0 to 0.060
0.15 to 0.23
Chromium (Cr), % 15 to 17
0
Iron (Fe), % 73.2 to 80.2
97.5 to 99
Manganese (Mn), % 0 to 1.5
0.5 to 1.0
Molybdenum (Mo), % 0.8 to 1.5
0.4 to 0.6
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030