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EN 1.4565 Stainless Steel vs. AISI 444 Stainless Steel

Both EN 1.4565 stainless steel and AISI 444 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4565 stainless steel and the bottom bar is AISI 444 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 35
23
Fatigue Strength, MPa 380
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 590
300
Tensile Strength: Ultimate (UTS), MPa 880
470
Tensile Strength: Yield (Proof), MPa 480
310

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
580
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
23
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.4
3.4
Embodied Energy, MJ/kg 74
47
Embodied Water, L/kg 210
130

Common Calculations

PREN (Pitting Resistance) 47
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
95
Resilience: Unit (Modulus of Resilience), kJ/m3 550
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 3.2
6.2
Thermal Shock Resistance, points 21
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 24 to 26
17.5 to 19.5
Iron (Fe), % 41.2 to 50.7
73.3 to 80.8
Manganese (Mn), % 5.0 to 7.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
1.8 to 2.5
Nickel (Ni), % 16 to 19
0 to 1.0
Niobium (Nb), % 0 to 0.15
0.2 to 0.8
Nitrogen (N), % 0.3 to 0.6
0 to 0.035
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8