ASTM B168 UNS N06600 Inconel 600 Plates

ASTM B168 UNS N06600 specifies the requirements for Inconel 600 plates. Inconel 600 is a nickel-chromium alloy known for its excellent corrosion resistance, high temperature strength, and good fabricability, making it suitable for a wide range of applications in various industries.

 

Common Types:

 

Hot Rolled Plates: Produced by rolling the ingot at high temperatures. They offer good surface finish and dimensional accuracy.

Cold Rolled Plates: Processed at room temperature, resulting in improved surface finish and tighter dimensional tolerances.

Annealed Plates: Heat treated to relieve internal stresses and improve mechanical properties.

Polished Plates: Subjected to mechanical or chemical polishing for enhanced surface smoothness and appearance.

 

Common Sizes:

 

Thickness: 0.1 mm - 50 mm

Width: Up to 2500 mm

Length: Up to 12000 mm

 

Chemical Composition (Typical):

 

Nickel (Ni): 72.0% min

Chromium (Cr): 14.0 - 17.0%

Iron (Fe): 6.0 - 10.0%

Carbon (C): 0.15% max

Manganese (Mn): 1.0% max

Silicon (Si): 0.50% max

Sulfur (S): 0.015% max

Copper (Cu): 0.50% max

 

Mechanical Requirements:

 

Tensile Strength: 80 ksi (552 MPa) min

Yield Strength (0.2% offset): 35 ksi (241 MPa) min

Elongation: 30% min

 

Applications:

 

Inconel 600 plates find widespread use in industries such as chemical processing, aerospace, heat treatment, and furnace components.

Common applications include furnace parts, chemical processing equipment, heat exchangers, boilers, and pressure vessels operating at high temperatures and corrosive environments.

 

Q&A:

 

Q: What makes Inconel 600 plates suitable for high-temperature applications?

A: Inconel 600 offers excellent mechanical properties and oxidation resistance at elevated temperatures, making it suitable for high-temperature applications such as furnace components and heat treatment equipment.

 

Q: Can Inconel 600 plates be welded?

A: Yes, Inconel 600 is readily weldable using common welding techniques. It exhibits good weldability and retains its corrosion resistance in the welded area, making it suitable for fabricating complex structures and equipment.

 

Q: What are the limitations of Inconel 600?

A: While Inconel 600 offers excellent corrosion resistance and high-temperature strength, it may not be suitable for applications involving strong oxidizing environments or sulfur-containing atmospheres at high temperatures.

 

Q: How does Inconel 600 compare to other nickel alloys?

A: Inconel 600 offers superior corrosion resistance and thermal stability compared to many other nickel alloys. However, it may have lower strength and toughness compared to some nickel-chromium alloys like Inconel 625.

 

Q: Can Inconel 600 plates be used in marine applications?

A: Inconel 600 is not typically used in marine applications due to its susceptibility to stress corrosion cracking in chloride-containing environments. For marine applications, alloys with higher nickel content like Inconel 625 or Incoloy 825 are preferred.

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