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SAE-AISI 1046 Steel vs. EN 1.4419 Stainless Steel

Both SAE-AISI 1046 steel and EN 1.4419 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 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 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 17
11 to 17
Fatigue Strength, MPa 240 to 390
230 to 680
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 410 to 450
410 to 950
Tensile Strength: Ultimate (UTS), MPa 660 to 740
660 to 1590
Tensile Strength: Yield (Proof), MPa 370 to 610
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
790
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
30
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 95
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 990
350 to 3920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 26
24 to 57
Strength to Weight: Bending, points 22 to 23
22 to 39
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 23 to 25
23 to 55

Alloy Composition

Carbon (C), % 0.43 to 0.5
0.36 to 0.42
Chromium (Cr), % 0
13 to 14.5
Iron (Fe), % 98.4 to 98.9
82 to 86
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0.6 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015