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EN 1.4417 Stainless Steel vs. EN 1.4423 Stainless Steel

Both EN 1.4417 stainless steel and EN 1.4423 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 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 1.4417 stainless steel and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
17
Fatigue Strength, MPa 380
380
Impact Strength: V-Notched Charpy, J 56
110
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 730
850
Tensile Strength: Yield (Proof), MPa 550
630

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
780
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
14
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.1
3.2
Embodied Energy, MJ/kg 57
43
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 41
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
130
Resilience: Unit (Modulus of Resilience), kJ/m3 730
1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
30
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 20
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 24 to 26
11 to 13
Copper (Cu), % 0 to 1.0
0.2 to 0.8
Iron (Fe), % 56.7 to 66.9
73.8 to 80.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
2.3 to 2.8
Nickel (Ni), % 6.0 to 8.5
6.0 to 7.0
Nitrogen (N), % 0.15 to 0.25
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.0030
Tungsten (W), % 0 to 1.0
0