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N08926 Stainless Steel vs. S44725 Stainless Steel

Both N08926 stainless steel and S44725 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 (2, in this case) are not shown.

For each property being compared, the top bar is N08926 stainless steel and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
22
Fatigue Strength, MPa 290
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
81
Shear Strength, MPa 500
320
Tensile Strength: Ultimate (UTS), MPa 740
500
Tensile Strength: Yield (Proof), MPa 330
310

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
500
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 33
15
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
3.1
Embodied Energy, MJ/kg 84
44
Embodied Water, L/kg 200
170

Common Calculations

PREN (Pitting Resistance) 45
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
99
Resilience: Unit (Modulus of Resilience), kJ/m3 270
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.2
4.6
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.015
Chromium (Cr), % 19 to 21
25 to 28.5
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.7 to 50.4
67.6 to 73.5
Manganese (Mn), % 0 to 2.0
0 to 0.4
Molybdenum (Mo), % 6.0 to 7.0
1.5 to 2.5
Nickel (Ni), % 24 to 26
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0.15 to 0.25
0 to 0.018
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.040
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0
0 to 0.26