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EN 1.4423 Stainless Steel vs. EN 1.7383 Steel

Both EN 1.4423 stainless steel and EN 1.7383 steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4423 stainless steel and the bottom bar is EN 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20 to 23
Fatigue Strength, MPa 380
210 to 270
Impact Strength: V-Notched Charpy, J 110
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 520
350 to 380
Tensile Strength: Ultimate (UTS), MPa 850
560 to 610
Tensile Strength: Yield (Proof), MPa 630
300 to 400

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 780
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.8
Embodied Energy, MJ/kg 43
23
Embodied Water, L/kg 120
59

Common Calculations

PREN (Pitting Resistance) 21
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
240 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
20 to 22
Strength to Weight: Bending, points 25
19 to 20
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 31
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.020
0.080 to 0.15
Chromium (Cr), % 11 to 13
2.0 to 2.5
Copper (Cu), % 0.2 to 0.8
0 to 0.3
Iron (Fe), % 73.8 to 80.5
94.3 to 96.6
Manganese (Mn), % 0 to 2.0
0.4 to 0.8
Molybdenum (Mo), % 2.3 to 2.8
0.9 to 1.1
Nickel (Ni), % 6.0 to 7.0
0 to 0.3
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.0030
0 to 0.010