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N08028 Stainless Steel vs. S32550 Stainless Steel

Both N08028 stainless steel and S32550 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 (5, in this case) are not shown.

For each property being compared, the top bar is N08028 stainless steel and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
21
Fatigue Strength, MPa 220
400
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
80
Shear Strength, MPa 400
540
Tensile Strength: Ultimate (UTS), MPa 570
860
Tensile Strength: Yield (Proof), MPa 240
620

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
20
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.8
Embodied Energy, MJ/kg 89
53
Embodied Water, L/kg 240
180

Common Calculations

PREN (Pitting Resistance) 39
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
160
Resilience: Unit (Modulus of Resilience), kJ/m3 140
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 3.2
4.4
Thermal Shock Resistance, points 12
23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 26 to 28
24 to 27
Copper (Cu), % 0.6 to 1.4
1.5 to 2.5
Iron (Fe), % 29 to 40.4
57.2 to 67
Manganese (Mn), % 0 to 2.5
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
2.9 to 3.9
Nickel (Ni), % 30 to 34
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030