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EN 1.4547 Stainless Steel vs. EN 1.5520 Steel

Both EN 1.4547 stainless steel and EN 1.5520 steel are iron alloys. They have 55% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4547 stainless steel and the bottom bar is EN 1.5520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
11 to 21
Fatigue Strength, MPa 290
210 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 510
290 to 340
Tensile Strength: Ultimate (UTS), MPa 750
410 to 1410
Tensile Strength: Yield (Proof), MPa 340
300 to 480

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 14
50
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.4
Embodied Energy, MJ/kg 75
19
Embodied Water, L/kg 190
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
42 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 290
240 to 600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
15 to 50
Strength to Weight: Bending, points 23
16 to 36
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 16
12 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.020
0.15 to 0.2
Chromium (Cr), % 19.5 to 20.5
0 to 0.3
Copper (Cu), % 0.5 to 1.0
0 to 0.25
Iron (Fe), % 51 to 56.3
97.7 to 98.9
Manganese (Mn), % 0 to 1.0
0.9 to 1.2
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 18.5
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025