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EN 1.8881 Steel vs. S32808 Stainless Steel

Both EN 1.8881 steel and S32808 stainless steel are iron alloys. They have 64% 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 1.8881 steel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
17
Fatigue Strength, MPa 460
350
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 510
480
Tensile Strength: Ultimate (UTS), MPa 830
780
Tensile Strength: Yield (Proof), MPa 710
570

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 420
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 40
14
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
24
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
4.0
Embodied Energy, MJ/kg 26
57
Embodied Water, L/kg 54
180

Common Calculations

PREN (Pitting Resistance) 2.0
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 24
21

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 0 to 1.5
27 to 27.9
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
58.1 to 62.8
Manganese (Mn), % 0 to 1.7
0 to 1.1
Molybdenum (Mo), % 0 to 0.7
0.8 to 1.2
Nickel (Ni), % 0 to 2.5
7.0 to 8.2
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.3 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0080
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
2.1 to 2.5
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0