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EN 1.6511 Steel vs. S44625 Stainless Steel

Both EN 1.6511 steel and S44625 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 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 EN 1.6511 steel and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
22
Fatigue Strength, MPa 480
240
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 600
370
Tensile Strength: Ultimate (UTS), MPa 990
590
Tensile Strength: Yield (Proof), MPa 770
360

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 36
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 21
39
Embodied Water, L/kg 53
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1590
310
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 35
21
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 9.9
4.6
Thermal Shock Resistance, points 29
19

Alloy Composition

Carbon (C), % 0.32 to 0.4
0 to 0.010
Chromium (Cr), % 0.9 to 1.2
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 95.6 to 97.2
69.4 to 74.3
Manganese (Mn), % 0.5 to 0.8
0 to 0.4
Molybdenum (Mo), % 0.15 to 0.3
0.75 to 1.5
Nickel (Ni), % 0.9 to 1.2
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.020