Duplex Stainless Steels Welding Guidelines

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´╗┐Duplex Stainless Steels Welding Guidelines

Industeel

Duplex Stainless Steels Welding Guidelines

Note: The disclosed information remains Industeel France s.a. property and cannot be disclosed to third parties without his prior written approval. Although every care has been taken to provide our best recommendations, based upon the indications sent to us, our experience and present knowledge, Industeel France s.a. cannot guarantee that these recommendations are appropriate or economical. Any recommendation is given for information purpose only without any acknowledgement of any responsibility from Industeel France s.a or any ArcelorMittal subsidiary. Industeel France s.a. or Le Creusot Research Center - ArcelorMittal Global R&D will not liable for any direct or indirect damages, incidental or consequential loss related to the applications of information and advices given in this document.

Publisher: Industeel ArcelorMittal - 56 rue Cl?menceau - 71201 LE CREUSOT

Writer: Corrosion Resistant Alloys R&D Department Layout: Industeel Marketing Department Printing: SEIC Imprimerie - 71200 LE CREUSOT

English Edition June 2019 ? Industeel ArcelorMittal

Lexicon

F% FCAW

FN GMAW GTAW

HAZ HI I PAW PGMAW

PREN

PWHT

pWPS

SAW SMAW

TTT

U UT Vr WRC Ws

Ferrite Percentage Flux Cored Arc Welding

Ferrite Number Gas Metal Arc Welding Gas Tungsten Arc Welding

Heat Affected Zone Heat Input Intensity

Plasma Arc Welding Pulsed Gas Metal Arc Welding Pitting Resistance Equivalent

Number Post Welding Heat Treatment preliminary Welding Procedure

Specification Submerged Arc Welding Shielded Metal Arc Welding

Time Temperature Transformation Voltage Utrasonic Testing Cooling Speed

Welding Research Council Welding Speed

An introduction to duplex stainless steels

Overview of duplex welding

General points

12

1.1 Chemical compositions

14

2.1 Welding metallurgy

22

1.2 Mechanical properties

16

2.2 Welded joints preparation

26

1.3 Corrosion resistance

18

2.3 Thermal welding conditions

28

1.4 Main applications

20

2.4 Welding processes

29

2.5 Ferrite determination

34

2.6 Post-fabrication clean up

36

2.7 Inspection

38

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