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S32654 Stainless Steel vs. S44800 Stainless Steel

Both S32654 stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 73% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S32654 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
23
Fatigue Strength, MPa 450
300
Poisson's Ratio 0.28
0.27
Reduction in Area, % 46
45
Shear Modulus, GPa 82
82
Shear Strength, MPa 590
370
Tensile Strength: Ultimate (UTS), MPa 850
590
Tensile Strength: Yield (Proof), MPa 490
450

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
17
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 34
19
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.8
Embodied Energy, MJ/kg 87
52
Embodied Water, L/kg 220
190

Common Calculations

PREN (Pitting Resistance) 57
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
120
Resilience: Unit (Modulus of Resilience), kJ/m3 570
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 2.9
4.6
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.010
Chromium (Cr), % 24 to 25
28 to 30
Copper (Cu), % 0.3 to 0.6
0 to 0.15
Iron (Fe), % 38.3 to 45.3
62.6 to 66.5
Manganese (Mn), % 2.0 to 4.0
0 to 0.3
Molybdenum (Mo), % 7.0 to 8.0
3.5 to 4.2
Nickel (Ni), % 21 to 23
2.0 to 2.5
Nitrogen (N), % 0.45 to 0.55
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.0050
0 to 0.020