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AISI 420 Stainless Steel vs. EN 1.5402 Steel

Both AISI 420 stainless steel and EN 1.5402 steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 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 AISI 420 stainless steel and the bottom bar is EN 1.5402 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 15
23
Fatigue Strength, MPa 220 to 670
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 420 to 1010
370
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
580
Tensile Strength: Yield (Proof), MPa 380 to 1310
370

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 620
410
Melting Completion (Liquidus), °C 1510
1470
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
51
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.7
Embodied Energy, MJ/kg 28
22
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
21
Strength to Weight: Bending, points 22 to 41
20
Thermal Diffusivity, mm2/s 7.3
14
Thermal Shock Resistance, points 25 to 62
17

Alloy Composition

Carbon (C), % 0.15 to 0.4
0 to 0.18
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 82.3 to 87.9
97.3 to 98.7
Manganese (Mn), % 0 to 1.0
0.9 to 1.4
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.6
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 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.040 to 0.080