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AISI 420 Stainless Steel vs. EN 1.7365 Steel

Both AISI 420 stainless steel and EN 1.7365 steel are iron alloys. They have a moderately high 91% 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 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 15
18
Fatigue Strength, MPa 220 to 670
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
700
Tensile Strength: Yield (Proof), MPa 380 to 1310
470

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 620
510
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
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
4.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.8
Embodied Energy, MJ/kg 28
24
Embodied Water, L/kg 100
70

Common Calculations

PREN (Pitting Resistance) 14
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 62
25
Strength to Weight: Bending, points 22 to 41
22
Thermal Diffusivity, mm2/s 7.3
11
Thermal Shock Resistance, points 25 to 62
20

Alloy Composition

Carbon (C), % 0.15 to 0.4
0.12 to 0.19
Chromium (Cr), % 12 to 14
4.0 to 6.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82.3 to 87.9
91.2 to 94.9
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.65
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 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0 to 0.050