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EN 1.4150 Stainless Steel vs. SAE-AISI 8822 Steel

Both EN 1.4150 stainless steel and SAE-AISI 8822 steel are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4150 stainless steel and the bottom bar is SAE-AISI 8822 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
23
Fatigue Strength, MPa 270
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 460
340
Tensile Strength: Ultimate (UTS), MPa 730
540
Tensile Strength: Yield (Proof), MPa 430
370

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 840
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 23
38
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.8
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 42
21
Embodied Water, L/kg 120
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 470
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 6.2
10
Thermal Shock Resistance, points 27
18

Alloy Composition

Carbon (C), % 0.45 to 0.6
0.2 to 0.25
Chromium (Cr), % 15 to 16.5
0.4 to 0.6
Iron (Fe), % 79 to 82.8
96.6 to 97.8
Manganese (Mn), % 0 to 0.8
0.75 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
0.3 to 0.4
Nickel (Ni), % 0 to 0.4
0.4 to 0.7
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 1.3 to 1.7
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Vanadium (V), % 0.2 to 0.4
0