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EN 1.4411 Stainless Steel vs. EN 1.4520 Stainless Steel

Both EN 1.4411 stainless steel and EN 1.4520 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 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
26
Fatigue Strength, MPa 370
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 870
480
Tensile Strength: Yield (Proof), MPa 600
220

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 880
870
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
20
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.2
Embodied Energy, MJ/kg 41
32
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 22
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 920
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
17
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 4.6
5.4
Thermal Shock Resistance, points 28
17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.025
Chromium (Cr), % 15 to 17
16 to 18
Iron (Fe), % 73.1 to 79.5
80.1 to 83.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8