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EN 1.4600 Stainless Steel vs. AISI 431 Stainless Steel

Both EN 1.4600 stainless steel and AISI 431 stainless steel are iron alloys. They have a moderately high 95% 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 EN 1.4600 stainless steel and the bottom bar is AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
15 to 17
Fatigue Strength, MPa 290
430 to 610
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 360
550 to 840
Tensile Strength: Ultimate (UTS), MPa 580
890 to 1380
Tensile Strength: Yield (Proof), MPa 430
710 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 420
400
Maximum Temperature: Mechanical, °C 730
850
Melting Completion (Liquidus), °C 1440
1510
Melting Onset (Solidus), °C 1400
1450
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
26
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.2
Embodied Energy, MJ/kg 28
31
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 12
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 470
1270 to 2770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
32 to 50
Strength to Weight: Bending, points 20
27 to 36
Thermal Diffusivity, mm2/s 7.3
7.0
Thermal Shock Resistance, points 21
28 to 43

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 11 to 13
15 to 17
Iron (Fe), % 82 to 87.7
78.2 to 83.8
Manganese (Mn), % 1.0 to 2.5
0 to 1.0
Nickel (Ni), % 0.3 to 1.0
1.3 to 2.5
Nitrogen (N), % 0 to 0.025
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.35
0