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EN 1.4419 Stainless Steel vs. SAE-AISI 1086 Steel

Both EN 1.4419 stainless steel and SAE-AISI 1086 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 EN 1.4419 stainless steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
11
Fatigue Strength, MPa 230 to 680
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 410 to 950
450 to 520
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
760 to 870
Tensile Strength: Yield (Proof), MPa 370 to 1240
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 790
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
50
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 30
19
Embodied Water, L/kg 110
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 170
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 3920
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 57
27 to 31
Strength to Weight: Bending, points 22 to 39
24 to 26
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 23 to 55
26 to 30

Alloy Composition

Carbon (C), % 0.36 to 0.42
0.8 to 0.93
Chromium (Cr), % 13 to 14.5
0
Iron (Fe), % 82 to 86
98.5 to 98.9
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Molybdenum (Mo), % 0.6 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050