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EN 1.4923 Stainless Steel vs. EN 1.4539 Stainless Steel

Both EN 1.4923 stainless steel and EN 1.4539 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 33 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 1.4923 stainless steel and the bottom bar is EN 1.4539 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
38
Fatigue Strength, MPa 300 to 440
220
Impact Strength: V-Notched Charpy, J 22 to 30
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 540 to 590
430
Tensile Strength: Ultimate (UTS), MPa 870 to 980
630
Tensile Strength: Yield (Proof), MPa 470 to 780
260

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
420
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.9
5.7
Embodied Energy, MJ/kg 41
78
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 15
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
22
Strength to Weight: Bending, points 26 to 28
20
Thermal Diffusivity, mm2/s 6.5
3.2
Thermal Shock Resistance, points 30 to 34
14

Alloy Composition

Carbon (C), % 0.18 to 0.24
0 to 0.020
Chromium (Cr), % 11 to 12.5
19 to 21
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 83.5 to 87.1
43.1 to 51.8
Manganese (Mn), % 0.4 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.2
4.0 to 5.0
Nickel (Ni), % 0.3 to 0.8
24 to 26
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.25 to 0.35
0