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EN 1.8503 Steel vs. S82031 Stainless Steel

Both EN 1.8503 steel and S82031 stainless steel are iron alloys. They have 76% 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 1.8503 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 600
490
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 610
540
Tensile Strength: Ultimate (UTS), MPa 1000
780
Tensile Strength: Yield (Proof), MPa 910
570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
980
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
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 3.3
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.8
Embodied Energy, MJ/kg 33
39
Embodied Water, L/kg 57
150

Common Calculations

PREN (Pitting Resistance) 3.7
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
280
Resilience: Unit (Modulus of Resilience), kJ/m3 2200
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 35
28
Strength to Weight: Bending, points 28
24
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 29
22

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.16 to 0.24
0 to 0.050
Chromium (Cr), % 1.2 to 1.5
19 to 22
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 95.8 to 97.5
68 to 78.3
Manganese (Mn), % 0.4 to 0.8
0 to 2.5
Molybdenum (Mo), % 0.65 to 0.8
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
Vanadium (V), % 0.25 to 0.35
0