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AISI 439 Stainless Steel vs. EN 1.4565 Stainless Steel

Both AISI 439 stainless steel and EN 1.4565 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is EN 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
35
Fatigue Strength, MPa 170
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 310
590
Tensile Strength: Ultimate (UTS), MPa 490
880
Tensile Strength: Yield (Proof), MPa 250
480

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 530
460
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1510
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
28
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
5.4
Embodied Energy, MJ/kg 34
74
Embodied Water, L/kg 120
210

Common Calculations

PREN (Pitting Resistance) 18
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
260
Resilience: Unit (Modulus of Resilience), kJ/m3 160
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
31
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 19
24 to 26
Iron (Fe), % 77.1 to 82.8
41.2 to 50.7
Manganese (Mn), % 0 to 1.0
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.5
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0 to 0.030
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
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 1.1
0