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EN 1.8507 Steel vs. S82031 Stainless Steel

Both EN 1.8507 steel and S82031 stainless steel are iron alloys. They have 75% 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 1.8507 steel and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
39
Fatigue Strength, MPa 440
490
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 550
540
Tensile Strength: Ultimate (UTS), MPa 900
780
Tensile Strength: Yield (Proof), MPa 670
570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
980
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
13
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 63
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
280
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
28
Strength to Weight: Bending, points 27
24
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 26
22

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.050
Chromium (Cr), % 1.0 to 1.3
19 to 22
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 96.1 to 97.7
68 to 78.3
Manganese (Mn), % 0.4 to 0.7
0 to 2.5
Molybdenum (Mo), % 0.15 to 0.25
0.6 to 1.4
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.0050