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N08811 Stainless Steel vs. AISI 429 Stainless Steel

Both N08811 stainless steel and AISI 429 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 61% of their average alloy composition in common. There are 32 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 N08811 stainless steel and the bottom bar is AISI 429 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33
25
Fatigue Strength, MPa 150
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 340
300
Tensile Strength: Ultimate (UTS), MPa 510
480
Tensile Strength: Yield (Proof), MPa 190
260

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 490
400
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
26
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.0
Embodied Energy, MJ/kg 76
28
Embodied Water, L/kg 200
110

Common Calculations

PREN (Pitting Resistance) 21
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
99
Resilience: Unit (Modulus of Resilience), kJ/m3 94
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 3.0
6.9
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0 to 0.12
Chromium (Cr), % 19 to 23
14 to 16
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 39.5 to 50.6
81.8 to 86
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 30 to 35
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), % 0.15 to 0.6
0