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EN 1.0511 Steel vs. S20431 Stainless Steel

Both EN 1.0511 steel and S20431 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 1.0511 steel and the bottom bar is S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
46
Fatigue Strength, MPa 200
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 370
500
Tensile Strength: Ultimate (UTS), MPa 590
710
Tensile Strength: Yield (Proof), MPa 300
350

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
890
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 19
36
Embodied Water, L/kg 47
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
270
Resilience: Unit (Modulus of Resilience), kJ/m3 230
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.12
Chromium (Cr), % 0 to 0.4
17 to 18
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 97.4 to 99.13
66.1 to 74.4
Manganese (Mn), % 0.5 to 0.8
5.0 to 7.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
2.0 to 4.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.030