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EN 1.8505 Steel vs. S35140 Stainless Steel

Both EN 1.8505 steel and S35140 stainless steel are iron alloys. They have 51% 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 S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
34
Fatigue Strength, MPa 540
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 630
460
Tensile Strength: Ultimate (UTS), MPa 1050
690
Tensile Strength: Yield (Proof), MPa 860
310

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
5.5
Embodied Energy, MJ/kg 22
78
Embodied Water, L/kg 65
190

Common Calculations

PREN (Pitting Resistance) 2.6
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
24
Strength to Weight: Bending, points 30
22
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 31
16

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.1
Chromium (Cr), % 1.5 to 1.8
20 to 22
Iron (Fe), % 95.4 to 97.1
44.1 to 52.7
Manganese (Mn), % 0.4 to 0.7
1.0 to 3.0
Molybdenum (Mo), % 0.2 to 0.4
1.0 to 2.0
Nickel (Ni), % 0
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.035
0 to 0.030