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S32550 Stainless Steel vs. N08028 Stainless Steel

Both S32550 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 (5, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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