Data Sheet

F51

UNS S31803
Bars
Sheets/Plates
Tubes/Pipes
Stripes
Material

F51 Steel

International Codes

UNS S31803

X2 CrNiMoN 22-5-3

1,4462

Main Features

Corrosion Resistant

High Mechanical Resistant

Density

7,8Kg/dm3

Chemical Composition

Cr

21-23%

Ni

4,5-6,5%

Mo

2,5-3,5%

Co

NbTa

Al

Ti

C

Max 0,03%

Fe

Mn

Max 2,00%

Si

Max 1,00%

P

Max 0,015%

S

Max 0,015%

CbTa

Cu

Altro

0,022%

Standards

ASTM

A276, A479, A182-11A

NACE

MR0175

General Proprieties

F51 (UNS S31803) steel is a duplex stainless steel that offers a high resistance to general , pitting, stress and crevice corrosion, as well as a high mechanical strength and good weldability. As a result, this is a highly suitable material for applications dealing with environments containing chlorides and and hydrogen sulphide. The F51 steel good mechanical and corrosion resistance properties make it useful for parts subject to stress corrosive attack: valve parts, pumps, centrifugal machines. The F51 steel is available at CHUN & VOLLERIN in the following formats: Bars, Plates, Pipes, 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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