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N08810 Stainless Steel vs. SAE-AISI 50B44 Steel

Both N08810 stainless steel and SAE-AISI 50B44 steel are iron alloys. Both are furnished in the annealed condition. They have 47% of their average alloy composition in common. There are 30 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 N08810 stainless steel and the bottom bar is SAE-AISI 50B44 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33
22
Fatigue Strength, MPa 160
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340
360
Tensile Strength: Ultimate (UTS), MPa 520
570
Tensile Strength: Yield (Proof), MPa 200
360

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
1.4
Embodied Energy, MJ/kg 76
19
Embodied Water, L/kg 200
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 100
350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 3.0
12
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.050 to 0.1
0.43 to 0.48
Chromium (Cr), % 19 to 23
0.2 to 0.6
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 39.5 to 50.7
97.5 to 98.5
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Nickel (Ni), % 30 to 35
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.15 to 0.6
0