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EN 1.4911 Stainless Steel vs. EN 1.4466 Stainless Steel

Both EN 1.4911 stainless steel and EN 1.4466 stainless steel are iron alloys. They have 62% 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 1.4911 stainless steel and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
42
Fatigue Strength, MPa 530
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 640
440
Tensile Strength: Ultimate (UTS), MPa 1070
640
Tensile Strength: Yield (Proof), MPa 970
280

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 700
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
5.0
Embodied Energy, MJ/kg 49
70
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 14
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 30
21
Thermal Diffusivity, mm2/s 5.4
3.7
Thermal Shock Resistance, points 37
14

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.020
Chromium (Cr), % 9.8 to 11.2
24 to 26
Cobalt (Co), % 5.0 to 7.0
0
Iron (Fe), % 75.7 to 83.8
45.6 to 52.9
Manganese (Mn), % 0.3 to 1.3
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.0
2.0 to 2.5
Nickel (Ni), % 0.2 to 1.2
21 to 23
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0.1 to 0.16
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.1 to 0.8
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0