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AISI 308 Stainless Steel vs. S28200 Stainless Steel

Both AISI 308 stainless steel and S28200 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 80% of their average alloy composition in common. There are 30 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 AISI 308 stainless steel and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 210
430
Poisson's Ratio 0.28
0.28
Reduction in Area, % 57
57
Shear Modulus, GPa 78
77
Shear Strength, MPa 410
610
Tensile Strength: Ultimate (UTS), MPa 590
870
Tensile Strength: Yield (Proof), MPa 230
460

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 990
900
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 20
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
330
Resilience: Unit (Modulus of Resilience), kJ/m3 140
540
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 20
27
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 19 to 21
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 64.1 to 71
57.7 to 64.1
Manganese (Mn), % 0 to 2.0
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 10 to 12
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030