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EN 1.4415 Stainless Steel vs. EN 1.8505 Steel

Both EN 1.4415 stainless steel and EN 1.8505 steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4415 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17 to 20
13
Fatigue Strength, MPa 470 to 510
540
Impact Strength: V-Notched Charpy, J 91 to 110
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 570
630
Tensile Strength: Ultimate (UTS), MPa 830 to 930
1050
Tensile Strength: Yield (Proof), MPa 730 to 840
860

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 790
440
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 19
39
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.6
Embodied Energy, MJ/kg 51
22
Embodied Water, L/kg 120
65

Common Calculations

PREN (Pitting Resistance) 19
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 33
37
Strength to Weight: Bending, points 25 to 27
30
Thermal Diffusivity, mm2/s 5.1
11
Thermal Shock Resistance, points 30 to 34
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.030
0.28 to 0.35
Chromium (Cr), % 11.5 to 13.5
1.5 to 1.8
Iron (Fe), % 75.9 to 82.4
95.4 to 97.1
Manganese (Mn), % 0 to 0.5
0.4 to 0.7
Molybdenum (Mo), % 1.5 to 2.5
0.2 to 0.4
Nickel (Ni), % 4.5 to 6.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.1 to 0.5
0