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EN 1.4923 Stainless Steel vs. SAE-AISI 1040 Steel

Both EN 1.4923 stainless steel and SAE-AISI 1040 steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1040 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 21
13 to 20
Fatigue Strength, MPa 300 to 440
220 to 340
Poisson's Ratio 0.28
0.29
Reduction in Area, % 40 to 46
40 to 45
Shear Modulus, GPa 76
73
Shear Strength, MPa 540 to 590
350 to 390
Tensile Strength: Ultimate (UTS), MPa 870 to 980
570 to 640
Tensile Strength: Yield (Proof), MPa 470 to 780
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
400
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
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 41
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
79 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
270 to 760
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
20 to 23
Strength to Weight: Bending, points 26 to 28
19 to 21
Thermal Diffusivity, mm2/s 6.5
14
Thermal Shock Resistance, points 30 to 34
18 to 20

Alloy Composition

Carbon (C), % 0.18 to 0.24
0.37 to 0.44
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 83.5 to 87.1
98.6 to 99.03
Manganese (Mn), % 0.4 to 0.9
0.6 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 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Vanadium (V), % 0.25 to 0.35
0

Comparable Variants