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EN 1.4669 Stainless Steel vs. SAE-AISI 1086 Steel

Both EN 1.4669 stainless steel and SAE-AISI 1086 steel are iron alloys. They have 70% 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 1.4669 stainless steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11
Fatigue Strength, MPa 330
300 to 360
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 500
450 to 520
Tensile Strength: Ultimate (UTS), MPa 780
760 to 870
Tensile Strength: Yield (Proof), MPa 450
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 1030
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 160
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 510
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
27 to 31
Strength to Weight: Bending, points 24
24 to 26
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 21
26 to 30

Alloy Composition

Carbon (C), % 0 to 0.045
0.8 to 0.93
Chromium (Cr), % 21.5 to 24
0
Copper (Cu), % 1.6 to 3.0
0
Iron (Fe), % 65.2 to 74.8
98.5 to 98.9
Manganese (Mn), % 1.0 to 3.0
0.3 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.0 to 3.0
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050