corrosion resistance nickel Incoloy Alloy 020 for flanges

Incoloy  Alloy 020

Common Trade Names: IncoloyAlloy 020, Alloy 20, Carpenter 20, 20CB-3.


INCOLOY alloy 020 (UNS N08020) has excellent corrosion resistance in chemical environments containing sulfuric acid, and useful resistance to environments containing chlorides, nitric acid, and phosphoric acid. Other uses include the production of gasoline, solvents, explosives, inorganic and organic chemicals, pharmaceuticals, and food and synthetic materials. INCOLOY alloy 020 is readily fabricated to produce mixing tanks, heat exchangers, process piping, pickling equipment, pumps, valves, fasteners and fittings. 


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

Specifications

INCOLOY alloy 020 is designated as UNS N08020. 

Rod, Bar, Wire and Forging Stock: ASTM B472, ASTM B473,

Plate, Sheet and Strip: ASTM B 463.

Pipe and Tube: ASTM B 729.

Pipe fittings:  ASTM B366 WP20CB

flanges, Forged fittings, valve parts: ASTM B462

Chemical Composition

Nickel ..........................................................................32.0-38.0
Chromium....................................................................19.0-21.0 
Copper ............................................................................3.0-4.0 
Molybdenum ...................................................................2.0-3.0 
Iron ...............................................................................Balance*
Carbon........................................................................0.07 max. 
Niobium + Tantalum ...................................................8 x C -1.0 
Manganese ...................................................................2.0 max. 
Phosphorus ..............................................................0.045 max. 
Sulfur ........................................................................0.035 max. 
Silicon ...........................................................................1.0 max.

Chemical composition:

mechanical property:

specifications:

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