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EN 1.8505 Steel vs. S32808 Stainless Steel

Both EN 1.8505 steel and S32808 stainless steel are iron alloys. They have 63% 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 1.8505 steel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 13
17
Fatigue Strength, MPa 540
350
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 630
480
Tensile Strength: Ultimate (UTS), MPa 1050
780
Tensile Strength: Yield (Proof), MPa 860
570

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
24
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.0
Embodied Energy, MJ/kg 22
57
Embodied Water, L/kg 65
180

Common Calculations

PREN (Pitting Resistance) 2.6
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
27
Strength to Weight: Bending, points 30
24
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 31
21

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.030
Chromium (Cr), % 1.5 to 1.8
27 to 27.9
Iron (Fe), % 95.4 to 97.1
58.1 to 62.8
Manganese (Mn), % 0.4 to 0.7
0 to 1.1
Molybdenum (Mo), % 0.2 to 0.4
0.8 to 1.2
Nickel (Ni), % 0
7.0 to 8.2
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.025
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