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EN 1.4466 Stainless Steel vs. EN 1.3960 Stainless Steel

Both EN 1.4466 stainless steel and EN 1.3960 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 85% of their average alloy composition in common. There are 32 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 EN 1.4466 stainless steel and the bottom bar is EN 1.3960 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
34
Fatigue Strength, MPa 250
220
Impact Strength: V-Notched Charpy, J 90
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 640
590
Tensile Strength: Yield (Proof), MPa 280
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
21
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.0
4.1
Embodied Energy, MJ/kg 70
57
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 35
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
170
Resilience: Unit (Modulus of Resilience), kJ/m3 200
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 3.7
3.9
Thermal Shock Resistance, points 14
17

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 24 to 26
16.5 to 18.5
Iron (Fe), % 45.6 to 52.9
60.2 to 67.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
2.5 to 3.0
Nickel (Ni), % 21 to 23
13 to 15
Nitrogen (N), % 0.1 to 0.16
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020