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S28200 Stainless Steel vs. S32550 Stainless Steel

Both S28200 stainless steel and S32550 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% 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 S28200 stainless steel and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
21
Fatigue Strength, MPa 430
400
Poisson's Ratio 0.28
0.27
Reduction in Area, % 57
57
Shear Modulus, GPa 77
80
Shear Strength, MPa 610
540
Tensile Strength: Ultimate (UTS), MPa 870
860
Tensile Strength: Yield (Proof), MPa 460
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
20
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 41
53
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 29
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
160
Resilience: Unit (Modulus of Resilience), kJ/m3 540
940
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 32
31
Strength to Weight: Bending, points 27
26
Thermal Shock Resistance, points 17
23

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.040
Chromium (Cr), % 17 to 19
24 to 27
Copper (Cu), % 0.75 to 1.3
1.5 to 2.5
Iron (Fe), % 57.7 to 64.1
57.2 to 67
Manganese (Mn), % 17 to 19
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.3
2.9 to 3.9
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0.4 to 0.6
0.1 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030