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EN 1.8505 Steel vs. S35045 Stainless Steel

Both EN 1.8505 steel and S35045 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 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 S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
39
Fatigue Strength, MPa 540
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 630
370
Tensile Strength: Ultimate (UTS), MPa 1050
540
Tensile Strength: Yield (Proof), MPa 860
190

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
12
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
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
5.8
Embodied Energy, MJ/kg 22
83
Embodied Water, L/kg 65
230

Common Calculations

PREN (Pitting Resistance) 2.6
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
19
Strength to Weight: Bending, points 30
19
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 31
12

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0.15 to 0.6
Carbon (C), % 0.28 to 0.35
0.060 to 0.1
Chromium (Cr), % 1.5 to 1.8
25 to 29
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 95.4 to 97.1
29.4 to 42.6
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0
32 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6