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EN 1.4411 Stainless Steel vs. EN 1.4150 Stainless Steel

Both EN 1.4411 stainless steel and EN 1.4150 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4411 stainless steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 370
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 870
730
Tensile Strength: Yield (Proof), MPa 600
430

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 880
840
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 17
23
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 22
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 920
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
27
Strength to Weight: Bending, points 26
24
Thermal Diffusivity, mm2/s 4.6
6.2
Thermal Shock Resistance, points 28
27

Alloy Composition

Carbon (C), % 0 to 0.060
0.45 to 0.6
Chromium (Cr), % 15 to 17
15 to 16.5
Iron (Fe), % 73.1 to 79.5
79 to 82.8
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 1.5 to 2.0
0.2 to 0.4
Nickel (Ni), % 4.0 to 6.0
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.8
1.3 to 1.7
Sulfur (S), % 0 to 0.025
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4