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S66286 Stainless Steel vs. S44626 Stainless Steel

Both S66286 stainless steel and S44626 stainless steel are iron alloys. They have 72% 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 S44626 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 40
23
Fatigue Strength, MPa 240 to 410
230
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
80
Shear Strength, MPa 420 to 630
340
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
540
Tensile Strength: Yield (Proof), MPa 280 to 670
350

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 780
560
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 26
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.9
Embodied Energy, MJ/kg 87
42
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 19
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
300
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 22 to 36
19
Strength to Weight: Bending, points 20 to 28
19
Thermal Diffusivity, mm2/s 4.0
4.6
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 0.060
Chromium (Cr), % 13.5 to 16
25 to 27
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 49.1 to 59.5
68.1 to 74.1
Manganese (Mn), % 0 to 2.0
0 to 0.75
Molybdenum (Mo), % 1.0 to 1.5
0.75 to 1.5
Nickel (Ni), % 24 to 27
0 to 0.5
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 1.9 to 2.4
0.2 to 1.0
Vanadium (V), % 0.1 to 0.5
0