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EN 1.4424 Stainless Steel vs. SAE-AISI 1046 Steel

Both EN 1.4424 stainless steel and SAE-AISI 1046 steel are iron alloys. They have 71% 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 1.4424 stainless steel and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
14 to 17
Fatigue Strength, MPa 350 to 370
240 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 520
410 to 450
Tensile Strength: Ultimate (UTS), MPa 800
660 to 740
Tensile Strength: Yield (Proof), MPa 480 to 500
370 to 610

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 46
18
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 640
360 to 990
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
23 to 26
Strength to Weight: Bending, points 25
22 to 23
Thermal Diffusivity, mm2/s 3.5
14
Thermal Shock Resistance, points 23
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0.43 to 0.5
Chromium (Cr), % 18 to 19
0
Iron (Fe), % 68.6 to 72.4
98.4 to 98.9
Manganese (Mn), % 1.2 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 4.5 to 5.2
0
Nitrogen (N), % 0.050 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.4 to 2.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050

Comparable Variants