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AISI 205 Stainless Steel vs. S32550 Stainless Steel

Both AISI 205 stainless steel and S32550 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 51
21
Fatigue Strength, MPa 410 to 640
400
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 560 to 850
540
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
860
Tensile Strength: Yield (Proof), MPa 450 to 1100
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 37
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
160
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
31
Strength to Weight: Bending, points 25 to 37
26
Thermal Shock Resistance, points 16 to 29
23

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.040
Chromium (Cr), % 16.5 to 18.5
24 to 27
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 62.6 to 68.1
57.2 to 67
Manganese (Mn), % 14 to 15.5
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 1.0 to 1.7
4.5 to 6.5
Nitrogen (N), % 0.32 to 0.4
0.1 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030