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EN 1.5414 Steel vs. AISI 431 Stainless Steel

Both EN 1.5414 steel and AISI 431 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5414 steel and the bottom bar is AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
15 to 17
Fatigue Strength, MPa 250 to 270
430 to 610
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 350 to 370
550 to 840
Tensile Strength: Ultimate (UTS), MPa 550 to 580
890 to 1380
Tensile Strength: Yield (Proof), MPa 350 to 380
710 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
850
Melting Completion (Liquidus), °C 1470
1510
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
26
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
31
Embodied Water, L/kg 50
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 370
1270 to 2770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
32 to 50
Strength to Weight: Bending, points 19 to 20
27 to 36
Thermal Diffusivity, mm2/s 12
7.0
Thermal Shock Resistance, points 16 to 17
28 to 43

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.2
Chromium (Cr), % 0 to 0.3
15 to 17
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.4 to 98.7
78.2 to 83.8
Manganese (Mn), % 0.9 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0 to 0.3
1.3 to 2.5
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030