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AISI 431 Stainless Steel vs. N08810 Stainless Steel

Both AISI 431 stainless steel and N08810 stainless steel are iron alloys. They have 64% 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 N08810 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
33
Fatigue Strength, MPa 430 to 610
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 550 to 840
340
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
520
Tensile Strength: Yield (Proof), MPa 710 to 1040
200

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
490
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1510
1400
Melting Onset (Solidus), °C 1450
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
12
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
76
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 16
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 50
18
Strength to Weight: Bending, points 27 to 36
18
Thermal Diffusivity, mm2/s 7.0
3.0
Thermal Shock Resistance, points 28 to 43
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.2
0.050 to 0.1
Chromium (Cr), % 15 to 17
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 78.2 to 83.8
39.5 to 50.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 1.3 to 2.5
30 to 35
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6