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EN 1.1181 Steel vs. S32808 Stainless Steel

Both EN 1.1181 steel and S32808 stainless steel are iron alloys. They have 62% 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 1.1181 steel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19 to 20
17
Fatigue Strength, MPa 190 to 260
350
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 350 to 390
480
Tensile Strength: Ultimate (UTS), MPa 560 to 620
780
Tensile Strength: Yield (Proof), MPa 280 to 380
570

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 42
14
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
24
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.0
Embodied Energy, MJ/kg 19
57
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 22
27
Strength to Weight: Bending, points 19 to 21
24
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 19 to 21
21

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.030
Chromium (Cr), % 0 to 0.4
27 to 27.9
Iron (Fe), % 97.4 to 99.18
58.1 to 62.8
Manganese (Mn), % 0.5 to 0.8
0 to 1.1
Molybdenum (Mo), % 0 to 0.1
0.8 to 1.2
Nickel (Ni), % 0 to 0.4
7.0 to 8.2
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5