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AISI 446 Stainless Steel vs. EN 1.4411 Stainless Steel

Both AISI 446 stainless steel and EN 1.4411 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is EN 1.4411 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
17
Fatigue Strength, MPa 200
370
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 570
870
Tensile Strength: Yield (Proof), MPa 300
600

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1180
880
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.0
Embodied Energy, MJ/kg 35
41
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 27
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 230
920
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 21
31
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 4.6
4.6
Thermal Shock Resistance, points 19
28

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.060
Chromium (Cr), % 23 to 27
15 to 17
Iron (Fe), % 69.2 to 77
73.1 to 79.5
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.75
4.0 to 6.0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025