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EN 1.4301 Stainless Steel vs. EN 1.6511 Steel

Both EN 1.4301 stainless steel and EN 1.6511 steel are iron alloys. They have 74% 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 1.4301 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 46
12
Fatigue Strength, MPa 200 to 330
480
Impact Strength: V-Notched Charpy, J 91 to 94
37
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430 to 550
600
Tensile Strength: Ultimate (UTS), MPa 610 to 900
990
Tensile Strength: Yield (Proof), MPa 220 to 570
770

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
430
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.6
Embodied Energy, MJ/kg 43
21
Embodied Water, L/kg 140
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 32
35
Strength to Weight: Bending, points 20 to 27
28
Thermal Diffusivity, mm2/s 4.0
9.9
Thermal Shock Resistance, points 14 to 20
29

Alloy Composition

Carbon (C), % 0 to 0.070
0.32 to 0.4
Chromium (Cr), % 17.5 to 19.5
0.9 to 1.2
Iron (Fe), % 66.8 to 74.5
95.6 to 97.2
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 8.0 to 10.5
0.9 to 1.2
Nitrogen (N), % 0 to 0.1
0
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