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EN 1.3940 Stainless Steel vs. EN 1.5410 Steel

Both EN 1.3940 stainless steel and EN 1.5410 steel are iron alloys. They have 69% of their average alloy composition in common. There are 30 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 1.3940 stainless steel and the bottom bar is EN 1.5410 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20 to 25
Fatigue Strength, MPa 190
290 to 330
Impact Strength: V-Notched Charpy, J 130
67 to 68
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 540
560 to 620
Tensile Strength: Yield (Proof), MPa 240
400 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.7
Embodied Energy, MJ/kg 47
22
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
430 to 610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
20 to 22
Strength to Weight: Bending, points 19
19 to 21
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 16
16 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 64.2 to 71.4
96.9 to 98.6
Manganese (Mn), % 0 to 2.0
1.2 to 1.8
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 12 to 14
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.020
Vanadium (V), % 0
0.050 to 0.1