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S44800 Stainless Steel vs. S24000 Stainless Steel

Both S44800 stainless steel and S24000 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 S44800 stainless steel and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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