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EN 1.4415 Stainless Steel vs. EN 1.8834 Steel

Both EN 1.4415 stainless steel and EN 1.8834 steel are iron alloys. They have 80% of their average alloy composition in common. 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 1.4415 stainless steel and the bottom bar is EN 1.8834 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17 to 20
25
Fatigue Strength, MPa 470 to 510
260
Impact Strength: V-Notched Charpy, J 91 to 110
49
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 570
340
Tensile Strength: Ultimate (UTS), MPa 830 to 930
530
Tensile Strength: Yield (Proof), MPa 730 to 840
360

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 790
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 19
47
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
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
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
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 33
19
Strength to Weight: Bending, points 25 to 27
19
Thermal Diffusivity, mm2/s 5.1
13
Thermal Shock Resistance, points 30 to 34
16

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0 to 0.030
0 to 0.16
Chromium (Cr), % 11.5 to 13.5
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 75.9 to 82.4
95.6 to 99.985
Manganese (Mn), % 0 to 0.5
0 to 1.7
Molybdenum (Mo), % 1.5 to 2.5
0 to 0.13
Nickel (Ni), % 4.5 to 6.5
0 to 0.55
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.55
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0 to 0.010
0 to 0.060
Vanadium (V), % 0.1 to 0.5
0 to 0.12