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S32808 Stainless Steel vs. N08028 Stainless Steel

Both S32808 stainless steel and N08028 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 71% of their average alloy composition in common. There are 31 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 S32808 stainless steel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
45
Fatigue Strength, MPa 350
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
80
Shear Strength, MPa 480
400
Tensile Strength: Ultimate (UTS), MPa 780
570
Tensile Strength: Yield (Proof), MPa 570
240

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
37
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.0
6.4
Embodied Energy, MJ/kg 57
89
Embodied Water, L/kg 180
240

Common Calculations

PREN (Pitting Resistance) 40
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 790
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 3.8
3.2
Thermal Shock Resistance, points 21
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 27 to 27.9
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 58.1 to 62.8
29 to 40.4
Manganese (Mn), % 0 to 1.1
0 to 2.5
Molybdenum (Mo), % 0.8 to 1.2
3.0 to 4.0
Nickel (Ni), % 7.0 to 8.2
30 to 34
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 2.1 to 2.5
0