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AISI 444 Stainless Steel vs. EN 1.4435 Stainless Steel

Both AISI 444 stainless steel and EN 1.4435 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 444 stainless steel and the bottom bar is EN 1.4435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
43
Fatigue Strength, MPa 210
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 300
420
Tensile Strength: Ultimate (UTS), MPa 470
610
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 580
420
Maximum Temperature: Mechanical, °C 930
980
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
4.1
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 26
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
210
Resilience: Unit (Modulus of Resilience), kJ/m3 240
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 6.2
4.0
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 17.5 to 19.5
17 to 19
Iron (Fe), % 73.3 to 80.8
59.8 to 68
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.5
2.5 to 3.0
Nickel (Ni), % 0 to 1.0
12.5 to 15
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 0.8
0