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S24000 Stainless Steel vs. S44800 Stainless Steel

Both S24000 stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% 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 S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 39
23
Fatigue Strength, MPa 370
300
Poisson's Ratio 0.28
0.27
Reduction in Area, % 57
45
Shear Modulus, GPa 77
82
Shear Strength, MPa 530
370
Tensile Strength: Ultimate (UTS), MPa 770
590
Tensile Strength: Yield (Proof), MPa 430
450

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 39
52
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 23
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 470
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 24
20
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 17 to 19
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 61.5 to 69
62.6 to 66.5
Manganese (Mn), % 11.5 to 14.5
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 2.3 to 3.7
2.0 to 2.5
Nitrogen (N), % 0.2 to 0.4
0 to 0.020
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020