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EN 1.4905 Stainless Steel vs. EN 1.4411 Stainless Steel

Both EN 1.4905 stainless steel and EN 1.4411 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4905 stainless steel and the bottom bar is EN 1.4411 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
17
Fatigue Strength, MPa 330
370
Impact Strength: V-Notched Charpy, J 38
68
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 740
870
Tensile Strength: Yield (Proof), MPa 510
600

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 660
880
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 40
41
Embodied Water, L/kg 90
130

Common Calculations

PREN (Pitting Resistance) 15
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 680
920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
31
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 7.0
4.6
Thermal Shock Resistance, points 25
28

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.060
Chromium (Cr), % 8.5 to 9.5
15 to 17
Iron (Fe), % 86.2 to 88.8
73.1 to 79.5
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
1.5 to 2.0
Nickel (Ni), % 0.1 to 0.4
4.0 to 6.0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0.1 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0