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Annealed S17700 Stainless Steel vs. Annealed S66286 Stainless Steel

Both annealed S17700 stainless steel and annealed S66286 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 77% 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 annealed S17700 stainless steel and the bottom bar is annealed S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
40
Fatigue Strength, MPa 290
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Shear Strength, MPa 750
420
Tensile Strength: Ultimate (UTS), MPa 1180
620
Tensile Strength: Yield (Proof), MPa 430
280

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
780
Maximum Temperature: Mechanical, °C 890
920
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
6.0
Embodied Energy, MJ/kg 40
87
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
200
Resilience: Unit (Modulus of Resilience), kJ/m3 460
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 42
22
Strength to Weight: Bending, points 32
20
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 39
13

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.090
0 to 0.080
Chromium (Cr), % 16 to 18
13.5 to 16
Iron (Fe), % 70.5 to 76.8
49.1 to 59.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 6.5 to 7.8
24 to 27
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
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5