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EN 1.4923 Stainless Steel vs. EN 1.4508 Stainless Steel

Both EN 1.4923 stainless steel and EN 1.4508 stainless steel are iron alloys. They have 80% 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 1.4923 stainless steel and the bottom bar is EN 1.4508 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
34
Fatigue Strength, MPa 300 to 440
210
Impact Strength: V-Notched Charpy, J 22 to 30
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 870 to 980
570
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
1000
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.0
Embodied Energy, MJ/kg 41
55
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 15
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
160
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 35
20
Strength to Weight: Bending, points 26 to 28
19
Thermal Diffusivity, mm2/s 6.5
4.1
Thermal Shock Resistance, points 30 to 34
17

Alloy Composition

Carbon (C), % 0.18 to 0.24
0 to 0.030
Chromium (Cr), % 11 to 12.5
18 to 20
Iron (Fe), % 83.5 to 87.1
61.2 to 69.9
Manganese (Mn), % 0.4 to 0.9
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.2
3.0 to 3.5
Nickel (Ni), % 0.3 to 0.8
9.0 to 12
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.35
0