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EN 1.4592 Stainless Steel vs. AISI 446 Stainless Steel

Both EN 1.4592 stainless steel and AISI 446 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common. There are 32 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 1.4592 stainless steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
23
Fatigue Strength, MPa 340
200
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 82
79
Shear Strength, MPa 400
360
Tensile Strength: Ultimate (UTS), MPa 630
570
Tensile Strength: Yield (Proof), MPa 500
300

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 550
440
Maximum Temperature: Mechanical, °C 1100
1180
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 18
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.4
Embodied Energy, MJ/kg 52
35
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 610
230
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
26
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.6
4.6
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.2
Chromium (Cr), % 28 to 30
23 to 27
Iron (Fe), % 62.6 to 68.4
69.2 to 77
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.75
Nitrogen (N), % 0 to 0.045
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0