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S44660 Stainless Steel vs. S32304 Stainless Steel

Both S44660 stainless steel and S32304 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% 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 S44660 stainless steel and the bottom bar is S32304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
250
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
28
Fatigue Strength, MPa 330
330
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
79
Shear Strength, MPa 410
440
Tensile Strength: Ultimate (UTS), MPa 660
670
Tensile Strength: Yield (Proof), MPa 510
460

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 640
440
Maximum Temperature: Mechanical, °C 1100
1050
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
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
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.8
Embodied Energy, MJ/kg 61
40
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 38
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 640
520
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 25 to 28
21.5 to 24.5
Copper (Cu), % 0
0.050 to 0.6
Iron (Fe), % 60.4 to 71
65 to 75.4
Manganese (Mn), % 0 to 1.0
0 to 2.5
Molybdenum (Mo), % 3.0 to 4.0
0.050 to 0.6
Nickel (Ni), % 1.0 to 3.5
3.0 to 5.5
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0