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AISI 431 Stainless Steel vs. EN 1.4865 Stainless Steel

Both AISI 431 stainless steel and EN 1.4865 stainless steel are iron alloys. They have 59% 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 AISI 431 stainless steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
6.8
Fatigue Strength, MPa 430 to 610
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
470
Tensile Strength: Yield (Proof), MPa 710 to 1040
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 850
1020
Melting Completion (Liquidus), °C 1510
1380
Melting Onset (Solidus), °C 1450
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 12
15

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
33
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
5.8
Embodied Energy, MJ/kg 31
81
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 16
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
27
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 50
16
Strength to Weight: Bending, points 27 to 36
17
Thermal Diffusivity, mm2/s 7.0
3.1
Thermal Shock Resistance, points 28 to 43
11

Alloy Composition

Carbon (C), % 0 to 0.2
0.3 to 0.5
Chromium (Cr), % 15 to 17
18 to 21
Iron (Fe), % 78.2 to 83.8
34.4 to 44.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 1.3 to 2.5
36 to 39
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030