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EN 1.4376 Stainless Steel vs. EN 1.8866 Steel

Both EN 1.4376 stainless steel and EN 1.8866 steel are iron alloys. They have 72% 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 1.4376 stainless steel and the bottom bar is EN 1.8866 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
25
Fatigue Strength, MPa 420
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530
350
Tensile Strength: Ultimate (UTS), MPa 750
540
Tensile Strength: Yield (Proof), MPa 450
350

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 37
21
Embodied Water, L/kg 140
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
120
Resilience: Unit (Modulus of Resilience), kJ/m3 520
330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 17
16

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.1
0 to 0.16
Chromium (Cr), % 17 to 20.5
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 65.5 to 76
96.3 to 100
Manganese (Mn), % 5.0 to 8.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.25
Nickel (Ni), % 2.0 to 4.5
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.3
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.060
Zirconium (Zr), % 0
0 to 0.050