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N08028 Stainless Steel vs. S44800 Stainless Steel

Both N08028 stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is N08028 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
23
Fatigue Strength, MPa 220
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
82
Shear Strength, MPa 400
370
Tensile Strength: Ultimate (UTS), MPa 570
590
Tensile Strength: Yield (Proof), MPa 240
450

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.8
Embodied Energy, MJ/kg 89
52
Embodied Water, L/kg 240
190

Common Calculations

PREN (Pitting Resistance) 39
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.2
4.6
Thermal Shock Resistance, points 12
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 26 to 28
28 to 30
Copper (Cu), % 0.6 to 1.4
0 to 0.15
Iron (Fe), % 29 to 40.4
62.6 to 66.5
Manganese (Mn), % 0 to 2.5
0 to 0.3
Molybdenum (Mo), % 3.0 to 4.0
3.5 to 4.2
Nickel (Ni), % 30 to 34
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020