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EN 1.4404 Stainless Steel vs. AISI 416 Stainless Steel

Both EN 1.4404 stainless steel and AISI 416 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4404 stainless steel and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
230 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 43
13 to 31
Fatigue Strength, MPa 220 to 320
230 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 420 to 550
340 to 480
Tensile Strength: Ultimate (UTS), MPa 600 to 900
510 to 800
Tensile Strength: Yield (Proof), MPa 240 to 570
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 950
680
Melting Completion (Liquidus), °C 1440
1530
Melting Onset (Solidus), °C 1400
1480
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 52
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 26
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
220 to 940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
18 to 29
Strength to Weight: Bending, points 20 to 26
18 to 25
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 13 to 20
19 to 30

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 16.5 to 18.5
12 to 14
Iron (Fe), % 62.8 to 71.5
83.2 to 87.9
Manganese (Mn), % 0 to 2.0
0 to 1.3
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35

Comparable Variants