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EN 1.7366 Steel vs. AISI 420 Stainless Steel

Both EN 1.7366 steel and AISI 420 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 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 1.7366 steel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
8.0 to 15
Fatigue Strength, MPa 160 to 320
220 to 670
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 290 to 440
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 460 to 710
690 to 1720
Tensile Strength: Yield (Proof), MPa 230 to 480
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 510
620
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.0
Embodied Energy, MJ/kg 23
28
Embodied Water, L/kg 69
100

Common Calculations

PREN (Pitting Resistance) 6.8
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16 to 25
25 to 62
Strength to Weight: Bending, points 17 to 23
22 to 41
Thermal Diffusivity, mm2/s 11
7.3
Thermal Shock Resistance, points 13 to 20
25 to 62

Alloy Composition

Carbon (C), % 0 to 0.18
0.15 to 0.4
Chromium (Cr), % 4.0 to 6.0
12 to 14
Iron (Fe), % 91.9 to 95.3
82.3 to 87.9
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.5
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030

Comparable Variants