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EN 1.4422 Stainless Steel vs. SAE-AISI 1086 Steel

Both EN 1.4422 stainless steel and SAE-AISI 1086 steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4422 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, % 17
11
Fatigue Strength, MPa 380
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 520
450 to 520
Tensile Strength: Ultimate (UTS), MPa 850
760 to 870
Tensile Strength: Yield (Proof), MPa 630
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
50
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 37
19
Embodied Water, L/kg 110
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
27 to 31
Strength to Weight: Bending, points 25
24 to 26
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 31
26 to 30

Alloy Composition

Carbon (C), % 0 to 0.020
0.8 to 0.93
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
98.5 to 98.9
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.0030
0 to 0.050