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S44660 Stainless Steel vs. S32520 Stainless Steel

Both S44660 stainless steel and S32520 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S44660 stainless steel and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
270
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
28
Fatigue Strength, MPa 330
460
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
80
Shear Strength, MPa 410
560
Tensile Strength: Ultimate (UTS), MPa 660
860
Tensile Strength: Yield (Proof), MPa 510
630

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 640
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.3
4.0
Embodied Energy, MJ/kg 61
55
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 38
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 640
960
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 4.5
4.1
Thermal Shock Resistance, points 21
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 25 to 28
24 to 26
Copper (Cu), % 0
0.5 to 2.0
Iron (Fe), % 60.4 to 71
57.3 to 66.8
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
3.0 to 4.0
Nickel (Ni), % 1.0 to 3.5
5.5 to 8.0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0.2 to 0.35
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0.2 to 1.0
0