corrosion resistance nickel Incoloy Alloy 800 for forgings

corrosion resistance nickel Incoloy Alloy 800 for forgings

Incoloy Alloy 800

Common Trade Names: Incoloy 800, Alloy 800, Ferrochronin 800, Nickelvac 800, Nicrofer 3220.

INCOLOYalloy 800 (UNS N08800, W. Nr. 1.4876) is a widely used material for construction of equipment requiring corrosion resistance, heat resistance, strength, and stability for service up to 1500°F (816°C). Alloy 800 offers general corrosion resistance to many aqueous media and, by virtue of its content of nickel, resists stress corrosion cracking. At elevated temperatures it offers resistance to oxidation, carburization, and sulfidation along with rupture and creep strength. For applications requiring greater resistance to stress rupture and creep, especially at temperatures above 1500°F (816°C), INCOLOY alloys 800H and 800HT are used.

INCOLOY alloy 800 is used in a variety of applications involving exposure to corrosive environments and high temperatures. It is used for heat-treating equipment such as baskets, trays, and fixtures. In chemical and petrochemical processing, the alloy is used for heat exchangers and other piping systems in nitric acid media especially where resistance to chloride stress-corrosion cracking is required. In nuclear power plants, it is used for steam-generator tubing. The alloy is often used in domestic appliances for sheathing of electric heating elements. In the production of paper pulp, digester-liquor heaters are often made of alloy 800. In petroleum processing, the alloy is used for heat exchangers that air cool the process stream.

Available Product Forms:
Rod, bar, forgings, wire, plate, sheet, strip, pipe, tube, pipe fittings.

Specifications

INCOLOYalloy 800 is designated as UNS N08800 and Werkstoff Number 1.4876. It is listed in NACE MR0175 for oil and gas service. 

Rod, Bar, Wire and Forging Stock:  ASTM B564, ASTM B408.

Plate, Sheet and Strip: - ASTM B 409;
Pipe & Tube: ASTM B407, ASTM B163;

Pipe fittings: ASTM B366 WPNIC

Chemical Composition

Nickel..................................................................................30.0-35.0
Chromium............................................................................19.0-23.0
Iron.......................................................................................39.5min.
Carbon................................................................................0.10max.
Manganese.........................................................................1.50max. 
Sulfur................................................................................0.015max. 
Silicon...................................................................................1.0max.
Copper................................................................................0.75max. 
Aluminum............................................................................0.15-0.60 
Titanium ..............................................................................0.15-0.60

mechanical property:

specifications:

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