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AISI 431 Stainless Steel vs. EN 1.4864 Stainless Steel

Both AISI 431 stainless steel and EN 1.4864 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
33
Fatigue Strength, MPa 430 to 610
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 550 to 840
430
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
650
Tensile Strength: Yield (Proof), MPa 710 to 1040
260

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1510
1390
Melting Onset (Solidus), °C 1450
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
13
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
5.3
Embodied Energy, MJ/kg 31
75
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 16
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 50
23
Strength to Weight: Bending, points 27 to 36
21
Thermal Diffusivity, mm2/s 7.0
3.3
Thermal Shock Resistance, points 28 to 43
17

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.15
Chromium (Cr), % 15 to 17
15 to 17
Iron (Fe), % 78.2 to 83.8
41.7 to 51
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 1.3 to 2.5
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015