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S24000 Stainless Steel vs. S32550 Stainless Steel

Both S24000 stainless steel and S32550 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% of their average alloy composition in common. There are 30 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 S24000 stainless steel and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
21
Fatigue Strength, MPa 370
400
Poisson's Ratio 0.28
0.27
Reduction in Area, % 57
57
Shear Modulus, GPa 77
80
Shear Strength, MPa 530
540
Tensile Strength: Ultimate (UTS), MPa 770
860
Tensile Strength: Yield (Proof), MPa 430
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
20
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 39
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
160
Resilience: Unit (Modulus of Resilience), kJ/m3 470
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
31
Strength to Weight: Bending, points 24
26
Thermal Shock Resistance, points 16
23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 17 to 19
24 to 27
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 61.5 to 69
57.2 to 67
Manganese (Mn), % 11.5 to 14.5
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 2.3 to 3.7
4.5 to 6.5
Nitrogen (N), % 0.2 to 0.4
0.1 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030