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N08811 Stainless Steel vs. S44330 Stainless Steel

Both N08811 stainless steel and S44330 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is N08811 stainless steel and the bottom bar is S44330 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
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 340
280
Tensile Strength: Ultimate (UTS), MPa 510
440
Tensile Strength: Yield (Proof), MPa 190
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 490
560
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.8
Embodied Energy, MJ/kg 76
40
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
91
Resilience: Unit (Modulus of Resilience), kJ/m3 94
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.0
5.7
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0 to 0.025
Chromium (Cr), % 19 to 23
20 to 23
Copper (Cu), % 0 to 0.75
0.3 to 0.8
Iron (Fe), % 39.5 to 50.6
72.5 to 79.7
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 30 to 35
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0
0 to 0.025
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 to 0.8