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S32506 Stainless Steel vs. S44800 Stainless Steel

Both S32506 stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 95% 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 S32506 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 21
23
Fatigue Strength, MPa 330
300
Poisson's Ratio 0.27
0.27
Rockwell C Hardness 28
18
Shear Modulus, GPa 81
82
Shear Strength, MPa 440
370
Tensile Strength: Ultimate (UTS), MPa 710
590
Tensile Strength: Yield (Proof), MPa 500
450

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 13
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 20
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
3.8
Embodied Energy, MJ/kg 54
52
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 38
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 620
480
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.3
4.6
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 24 to 26
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 60.8 to 67.4
62.6 to 66.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 3.0 to 3.5
3.5 to 4.2
Nickel (Ni), % 5.5 to 7.2
2.0 to 2.5
Nitrogen (N), % 0.080 to 0.2
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.9
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 0.050 to 0.3
0