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EN 1.4362 Stainless Steel vs. AISI 446 Stainless Steel

Both EN 1.4362 stainless steel and AISI 446 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 33 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 1.4362 stainless steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
23
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
79
Shear Strength, MPa 470
360
Tensile Strength: Ultimate (UTS), MPa 730
570
Tensile Strength: Yield (Proof), MPa 460
300

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1060
1180
Melting Completion (Liquidus), °C 1420
1510
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.4
Embodied Energy, MJ/kg 41
35
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 26
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 530
230
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 22 to 24.5
23 to 27
Copper (Cu), % 0.1 to 0.6
0
Iron (Fe), % 65.5 to 74.3
69.2 to 77
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 3.5 to 5.5
0 to 0.75
Nitrogen (N), % 0.050 to 0.2
0 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030