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EN 1.4571 Stainless Steel vs. EN 1.6511 Steel

Both EN 1.4571 stainless steel and EN 1.6511 steel are iron alloys. They have 70% 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 1.4571 stainless steel and the bottom bar is EN 1.6511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
12
Fatigue Strength, MPa 200 to 330
480
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410 to 550
600
Tensile Strength: Ultimate (UTS), MPa 600 to 900
990
Tensile Strength: Yield (Proof), MPa 230 to 570
770

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.6
Embodied Energy, MJ/kg 54
21
Embodied Water, L/kg 150
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
35
Strength to Weight: Bending, points 20 to 26
28
Thermal Diffusivity, mm2/s 4.0
9.9
Thermal Shock Resistance, points 13 to 20
29

Alloy Composition

Carbon (C), % 0 to 0.080
0.32 to 0.4
Chromium (Cr), % 16.5 to 18.5
0.9 to 1.2
Iron (Fe), % 61.7 to 71
95.6 to 97.2
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 2.0 to 2.5
0.15 to 0.3
Nickel (Ni), % 10.5 to 13.5
0.9 to 1.2
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0 to 0.7
0