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EN 1.4434 Stainless Steel vs. EN 1.4520 Stainless Steel

Both EN 1.4434 stainless steel and EN 1.4520 stainless steel are iron alloys. They have 82% 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 1.4434 stainless steel and the bottom bar is EN 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
26
Fatigue Strength, MPa 270
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 450
310
Tensile Strength: Ultimate (UTS), MPa 660
480
Tensile Strength: Yield (Proof), MPa 310
220

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
500
Maximum Temperature: Mechanical, °C 980
870
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.2
Embodied Energy, MJ/kg 57
32
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 32
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
100
Resilience: Unit (Modulus of Resilience), kJ/m3 240
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 4.0
5.4
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 16.5 to 19.5
16 to 18
Iron (Fe), % 59.2 to 69.9
80.1 to 83.9
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 10.5 to 14
0
Nitrogen (N), % 0.1 to 0.2
0 to 0.015
Phosphorus (P), % 0 to 0.045
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