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S40910 Stainless Steel vs. EN 1.6511 Steel

Both S40910 stainless steel and EN 1.6511 steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S40910 stainless steel and the bottom bar is EN 1.6511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
12
Fatigue Strength, MPa 130
480
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 270
600
Tensile Strength: Ultimate (UTS), MPa 430
990
Tensile Strength: Yield (Proof), MPa 190
770

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
36
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 28
21
Embodied Water, L/kg 94
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
110
Resilience: Unit (Modulus of Resilience), kJ/m3 94
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
35
Strength to Weight: Bending, points 16
28
Thermal Diffusivity, mm2/s 6.9
9.9
Thermal Shock Resistance, points 16
29

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.4
Chromium (Cr), % 10.5 to 11.7
0.9 to 1.2
Iron (Fe), % 85 to 89.5
95.6 to 97.2
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 0 to 0.5
0.9 to 1.2
Niobium (Nb), % 0 to 0.17
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Titanium (Ti), % 0 to 0.5
0