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EN 1.4592 Stainless Steel vs. SAE-AISI 8617 Steel

Both EN 1.4592 stainless steel and SAE-AISI 8617 steel are iron alloys. Both are furnished in the annealed condition. They have 67% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4592 stainless steel and the bottom bar is SAE-AISI 8617 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
25
Fatigue Strength, MPa 340
230
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
73
Shear Strength, MPa 400
300
Tensile Strength: Ultimate (UTS), MPa 630
470
Tensile Strength: Yield (Proof), MPa 500
320

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
43
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.5
Embodied Energy, MJ/kg 52
20
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 610
270
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.025
0.15 to 0.2
Chromium (Cr), % 28 to 30
0.4 to 0.6
Iron (Fe), % 62.6 to 68.4
96.9 to 98.1
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 3.5 to 4.5
0.15 to 0.25
Nickel (Ni), % 0
0.4 to 0.7
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0.15 to 0.8
0