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SAE-AISI 1046 Steel vs. EN 1.4424 Stainless Steel

Both SAE-AISI 1046 steel and EN 1.4424 stainless 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 SAE-AISI 1046 steel and the bottom bar is EN 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants