ASTM B479 Alloy 800 Incoloy 800 UNS N08800 Steel Bar

ASTM B479 is a standard specification for the Nickel-Iron-Chromium Alloy 800 (Incoloy 800) rod and bar. This specification covers alloys UNS N08800, N08135, N08120, and N08810 in the form of hot-finished and cold-finished rounds, squares, hexagons, rectangles, and cold-finished flat bars.

Here's a general overview of ASTM B479 Alloy 800 (Incoloy 800) steel bars:

Grade Name:

UNS: N08800

Common Name: Incoloy 800

Elemental Composition:

Nickel (Ni): 30.0-35.0%

Chromium (Cr): 19.0-23.0%

Iron (Fe): 39.5% min

Carbon (C): 0.10% max

Aluminum (Al): 0.15-0.60%

Titanium (Ti): 0.15-0.60%

Copper (Cu): 0.75% max

Manganese (Mn): 1.50% max

Silicon (Si): 1.0% max

Sulfur (S): 0.015% max

Mechanical Properties:

Tensile Strength: 75 ksi (min) / 515 MPa (min)

Yield Strength (0.2% offset): 30 ksi (min) / 205 MPa (min)

Elongation: 30% (min)

Application Range:

ASTM B479 Alloy 800 (Incoloy 800) steel bars find applications in various industries including:

Chemical and petrochemical processing: for heat exchangers, furnace components, and piping systems.

Power generation: for superheater and reheater tubing, boiler components, and steam generators.

Aerospace and automotive: for components requiring high-temperature strength and oxidation resistance.

Food processing: for equipment exposed to corrosive environments.

Incoloy 800 steel bars exhibit excellent corrosion resistance in both reducing and oxidizing environments, making them suitable for use in a wide range of applications where high-temperature strength and resistance to oxidation and carburization are required.

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