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EN 1.4423 Stainless Steel vs. EN 1.4432 Stainless Steel

Both EN 1.4423 stainless steel and EN 1.4432 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 1.4432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
44
Fatigue Strength, MPa 380
220
Impact Strength: V-Notched Charpy, J 110
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 520
420
Tensile Strength: Ultimate (UTS), MPa 850
610
Tensile Strength: Yield (Proof), MPa 630
250

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 780
960
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 9.9
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.9
Embodied Energy, MJ/kg 43
54
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 21
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 31
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 11 to 13
16.5 to 18.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 73.8 to 80.5
62.3 to 70.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.3 to 2.8
2.5 to 3.0
Nickel (Ni), % 6.0 to 7.0
10.5 to 13
Nitrogen (N), % 0 to 0.020
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0030
0 to 0.015