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EN 1.4374 Stainless Steel vs. EN 1.6511 Steel

Both EN 1.4374 stainless steel and EN 1.6511 steel are iron alloys. They have 69% of their average alloy composition in common. There are 32 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 1.4374 stainless steel and the bottom bar is EN 1.6511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
12
Fatigue Strength, MPa 340
480
Impact Strength: V-Notched Charpy, J 90
37
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 550
600
Tensile Strength: Ultimate (UTS), MPa 800
990
Tensile Strength: Yield (Proof), MPa 400
770

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
430
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
36
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.6
Embodied Energy, MJ/kg 42
21
Embodied Water, L/kg 150
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
110
Resilience: Unit (Modulus of Resilience), kJ/m3 400
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
35
Strength to Weight: Bending, points 25
28
Thermal Diffusivity, mm2/s 4.0
9.9
Thermal Shock Resistance, points 17
29

Alloy Composition

Carbon (C), % 0.050 to 0.1
0.32 to 0.4
Chromium (Cr), % 17.5 to 18.5
0.9 to 1.2
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 63.5 to 67.9
95.6 to 97.2
Manganese (Mn), % 9.0 to 10
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.3
Nickel (Ni), % 5.0 to 6.0
0.9 to 1.2
Nitrogen (N), % 0.25 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.3 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035