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EN 1.4116 Stainless Steel vs. EN 1.4520 Stainless Steel

Both EN 1.4116 stainless steel and EN 1.4520 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 97% of their average alloy composition in common. There are 33 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 1.4116 stainless steel and the bottom bar is EN 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
26
Fatigue Strength, MPa 240
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 450
310
Tensile Strength: Ultimate (UTS), MPa 750
480
Tensile Strength: Yield (Proof), MPa 430
220

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
500
Maximum Temperature: Mechanical, °C 800
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
20
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
8.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.2
Embodied Energy, MJ/kg 36
32
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 18
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
100
Resilience: Unit (Modulus of Resilience), kJ/m3 470
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 8.1
5.4
Thermal Shock Resistance, points 26
17

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.025
Chromium (Cr), % 14 to 15
16 to 18
Iron (Fe), % 81.3 to 85
80.1 to 83.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.5 to 0.8
0
Nitrogen (N), % 0 to 0.15
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8
Vanadium (V), % 0.1 to 0.2
0