Alloy 20

Unifit Metalloys Inc is one of the leading Manufacturer, Supplier & Exporter of Alloy 20 Pipes & Tubes, Round Bars, Sheets, Pipe Fittings, Flanges and Fasteners . These Material is widely used in Petrochemicals Plants, Oil Refineries, Fertilizers Plants, Sugar Mills, Chemical Plants, Pharmaceuticals, Textile Machinery, Industrial Machinery, Power Industry, Cement industry and Government Companies. Also we offer these Material as per the clients requirements. We offer these Alloys 20 MAterial are available in different size, grades, specification & Thickness as per the clients requirements.

Alloy 20

Forms of Alloy 20 Available at Unifit Metalloys Inc

  • Sheet
  • Plate
  • Bar
  • Pipe & Tube (welded & seamless)
  • Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
  • Wire

 Characteristics of Alloy 20

  • Excellent general corrosion resistance to sulfuric acid
  • Excellent resistance to chloride stress corrosion cracking
  • Excellent mechanical properties and fabricability
  • Minimal carbide precipitation during welding
  • Excels in resisting corrosion to hot sulfuric acids

Chemical Composition, %

Ni

Fe

Cr

Cu

Mo

Nb

32.00-38.00

Balance

19.0-21.0

3.0-4.0

2.0-3.0

8xC-1.0max

C

Mn

P

S

Si

.07max

2.0max

.045max

.035max

1.0max

 

Applications is Alloy 20

  • Synthetic rubber manufacturing equipment
  • Processing of pharmaceuticals, plastics and organic and heavy chemicals
  • Tanks, piping, heat exchangers, pumps, valves, and other process equipment
  • Acid cleaning and pickling equipment
  • Chemical process piping, reactor vessels
  • Bubble caps
  • Petrochemical process equipment
  • Food and dye production
  •  

ASTM Specifications


Pipe Smls

Pipe Welded

Tube Smls

Tube Welded

Sheet/Plate

Bar

Forging

Fitting

B729

B464

B729

B468

B463

B473

B462

B366

Mechanical Properties / Annealed Material


Form

Tensile Min.

Yield Min. (.2% offset)

Elongation Min.

Reduction of Area Min.

Bar (hot or cold finished)

80 ksi

35 ksi

30%

50%

Sheet/Plate

80 ksi

35 ksi

30%

-

*Incoloy is a registered trademark of Special Metals Corporation group of Companies.

 

 

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