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EN 1.4369 Stainless Steel vs. EN 1.8868 Steel

Both EN 1.4369 stainless steel and EN 1.8868 steel are iron alloys. They have 68% 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 1.4369 stainless steel and the bottom bar is EN 1.8868 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
25
Fatigue Strength, MPa 330
260
Impact Strength: V-Notched Charpy, J 91
90
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 580
350
Tensile Strength: Ultimate (UTS), MPa 850
540
Tensile Strength: Yield (Proof), MPa 390
350

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.6
Embodied Energy, MJ/kg 43
21
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380
330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 18
16

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.070 to 0.15
0 to 0.16
Chromium (Cr), % 17.5 to 19.5
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 63 to 70.2
96.4 to 100
Manganese (Mn), % 5.0 to 7.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.25
Nickel (Ni), % 6.5 to 8.5
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.2 to 0.3
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.5 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.060
Zirconium (Zr), % 0
0 to 0.050