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AISI 420 Stainless Steel vs. EN 1.5408 Steel

Both AISI 420 stainless steel and EN 1.5408 steel are iron alloys. They have 86% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is EN 1.5408 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
460 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 620
400
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
48
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 100
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
16 to 57
Strength to Weight: Bending, points 22 to 41
17 to 39
Thermal Diffusivity, mm2/s 7.3
13
Thermal Shock Resistance, points 25 to 62
13 to 48

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.15 to 0.4
0.28 to 0.32
Chromium (Cr), % 12 to 14
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 82.3 to 87.9
97.7 to 98.8
Manganese (Mn), % 0 to 1.0
0.8 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.080 to 0.12
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants