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S44800 Stainless Steel vs. S32050 Stainless Steel

Both S44800 stainless steel and S32050 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 77% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 23
46
Fatigue Strength, MPa 300
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
81
Shear Strength, MPa 370
540
Tensile Strength: Ultimate (UTS), MPa 590
770
Tensile Strength: Yield (Proof), MPa 450
370

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.8
6.0
Embodied Energy, MJ/kg 52
81
Embodied Water, L/kg 190
210

Common Calculations

PREN (Pitting Resistance) 42
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
290
Resilience: Unit (Modulus of Resilience), kJ/m3 480
330
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
27
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.6
3.3
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 28 to 30
22 to 24
Copper (Cu), % 0 to 0.15
0 to 0.4
Iron (Fe), % 62.6 to 66.5
43.1 to 51.8
Manganese (Mn), % 0 to 0.3
0 to 1.5
Molybdenum (Mo), % 3.5 to 4.2
6.0 to 6.6
Nickel (Ni), % 2.0 to 2.5
20 to 23
Nitrogen (N), % 0 to 0.020
0.21 to 0.32
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020