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EN 1.4597 Stainless Steel vs. EN 1.4423 Stainless Steel

Both EN 1.4597 stainless steel and EN 1.4423 stainless steel are iron alloys. They have 85% 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 1.4597 stainless steel and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 45
17
Fatigue Strength, MPa 300
380
Impact Strength: V-Notched Charpy, J 90
110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 470
520
Tensile Strength: Ultimate (UTS), MPa 680
850
Tensile Strength: Yield (Proof), MPa 330
630

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 860
780
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
3.2
Embodied Energy, MJ/kg 36
43
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 21
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
30
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 4.1
4.3
Thermal Shock Resistance, points 15
31

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.020
Chromium (Cr), % 15 to 18
11 to 13
Copper (Cu), % 2.0 to 3.5
0.2 to 0.8
Iron (Fe), % 63 to 76.4
73.8 to 80.5
Manganese (Mn), % 6.5 to 9.0
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
2.3 to 2.8
Nickel (Ni), % 0 to 3.0
6.0 to 7.0
Nitrogen (N), % 0.1 to 0.3
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0030