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EN 1.4923 Stainless Steel vs. SAE-AISI 5140 Steel

Both EN 1.4923 stainless steel and SAE-AISI 5140 steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 SAE-AISI 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 21
12 to 29
Fatigue Strength, MPa 300 to 440
220 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 540 to 590
360 to 600
Tensile Strength: Ultimate (UTS), MPa 870 to 980
560 to 970
Tensile Strength: Yield (Proof), MPa 470 to 780
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
220 to 1880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
20 to 34
Strength to Weight: Bending, points 26 to 28
19 to 28
Thermal Diffusivity, mm2/s 6.5
12
Thermal Shock Resistance, points 30 to 34
16 to 29

Alloy Composition

Carbon (C), % 0.18 to 0.24
0.38 to 0.43
Chromium (Cr), % 11 to 12.5
0.7 to 0.9
Iron (Fe), % 83.5 to 87.1
97.3 to 98.1
Manganese (Mn), % 0.4 to 0.9
0.7 to 0.9
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Vanadium (V), % 0.25 to 0.35
0

Comparable Variants