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EN 1.4539 Stainless Steel vs. EN 1.6511 Steel

Both EN 1.4539 stainless steel and EN 1.6511 steel are iron alloys. They have 51% of their average alloy composition in common. There are 32 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 1.4539 stainless steel and the bottom bar is EN 1.6511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
12
Fatigue Strength, MPa 220
480
Impact Strength: V-Notched Charpy, J 90
37
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 430
600
Tensile Strength: Ultimate (UTS), MPa 630
990
Tensile Strength: Yield (Proof), MPa 260
770

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
36
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.1
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.7
1.6
Embodied Energy, MJ/kg 78
21
Embodied Water, L/kg 200
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
35
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 3.2
9.9
Thermal Shock Resistance, points 14
29

Alloy Composition

Carbon (C), % 0 to 0.020
0.32 to 0.4
Chromium (Cr), % 19 to 21
0.9 to 1.2
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 43.1 to 51.8
95.6 to 97.2
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 4.0 to 5.0
0.15 to 0.3
Nickel (Ni), % 24 to 26
0.9 to 1.2
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035