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EN 1.4911 Stainless Steel vs. EN 1.4462 Stainless Steel

Both EN 1.4911 stainless steel and EN 1.4462 stainless steel are iron alloys. They have 81% 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 1.4462 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
26
Fatigue Strength, MPa 530
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Shear Strength, MPa 640
500
Tensile Strength: Ultimate (UTS), MPa 1070
780
Tensile Strength: Yield (Proof), MPa 970
520

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 700
1060
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.6
Embodied Energy, MJ/kg 49
49
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 14
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
28
Strength to Weight: Bending, points 30
24
Thermal Diffusivity, mm2/s 5.4
4.0
Thermal Shock Resistance, points 37
21

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.030
Chromium (Cr), % 9.8 to 11.2
21 to 23
Cobalt (Co), % 5.0 to 7.0
0
Iron (Fe), % 75.7 to 83.8
63.7 to 71.9
Manganese (Mn), % 0.3 to 1.3
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.0
2.5 to 3.5
Nickel (Ni), % 0.2 to 1.2
4.5 to 6.5
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0.1 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.1 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0