Data Sheet

20

UNS N08020
Bars
Sheets/Plates
Stripes/Coils
Material

Alloy 20

International Codes

UNS N08020

SG-NiCr21Mo9Nb

24,660

Main Features

Corrosion Resistant

Density

7,69Kg/dm3

Chemical Composition

Cr

21,0-19,0%

Ni

38-32%

Mo

2,0-3,0%

Co

NbTa

1,0-8xC%

Al

Ti

C

Max. 0,07%

Fe

Bal.

Mn

Max. 2,00%

Si

Max. 1,0%

P

Max. 0,035%

S

Max. 0,035%

CbTa

Cu

4,0-3,0%

Altro

Standards

ASTM

A240, B463, B473, B366, B464, B468, B462, B729, B775

NACE

MR0175

General Proprieties

Alloy 20 (UNS N08020) is a nickel-iron-chromium based, austenitic alloy with excellent corrosion resistance in chemical environments containing sulfuric acid and many other aggressive media. This alloy is stabilized with niobium to resist intergranular corrosion. Alloy 20 typical applications are: equipment for the manufacture of sulphuric acid and for processes based on sulphuric acid, extraction columns in the production of amines and the processing of pharmaceuticals , production of plastics and synthetic fibres , equipment for food processing to protect against contamination. This alloy is also know as Incoloy® 20. Alloy 20 is available at CHUN & VOLLERIN in these formats: Bars, Plates, Stripes.
All data are to be considered typical for the product selected. Refer to the production certificate for the specific characteristics of the product. All the material has a UNI EN 10240 3.1 certificate with EU, USA and JP origin. All registered trademarks are the property of their respective owners.

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