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S66286 Stainless Steel vs. S32304 Stainless Steel

Both S66286 stainless steel and S32304 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 S66286 stainless steel and the bottom bar is S32304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 40
28
Fatigue Strength, MPa 240 to 410
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
79
Shear Strength, MPa 420 to 630
440
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
670
Tensile Strength: Yield (Proof), MPa 280 to 670
460

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 780
440
Maximum Temperature: Mechanical, °C 920
1050
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.8
Embodied Energy, MJ/kg 87
40
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 36
24
Strength to Weight: Bending, points 20 to 28
22
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 13 to 22
18

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 13.5 to 16
21.5 to 24.5
Copper (Cu), % 0
0.050 to 0.6
Iron (Fe), % 49.1 to 59.5
65 to 75.4
Manganese (Mn), % 0 to 2.0
0 to 2.5
Molybdenum (Mo), % 1.0 to 1.5
0.050 to 0.6
Nickel (Ni), % 24 to 27
3.0 to 5.5
Nitrogen (N), % 0
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), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0