Welding Metallurgy of Stainless Steels

1. Front Matter

   Pages I-X

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2. Significance of Constitution Diagrams for the Understanding of Welding Phenomena

   • Erich Folkhard

   Pages 1-51

3. Metallurgical Processes Occurring During Solidification and Cooling in Stainless Steel Weld Metal

   • Erich Folkhard

   Pages 52-77

4. Metallurgical Phenomena in Secondary Crystallization of Stainless Steels and Weld Metals

   • Erich Folkhard

   Pages 78-102

5. Precipitation Phenomena in Stainless Steels and Weld Metals

   • Erich Folkhard

   Pages 103-143

6. Hot Cracking Resistance During the Welding of Austenitic Stainless Steels

   • Erich Folkhard

   Pages 144-171

7. Welding Metallurgy of Ferritic Stainless Chromium Steels with Carbon Contents Below 0.15%

   • Erich Folkhard

   Pages 172-178

8. Welding Metallurgy of Low Carbon Chromium-Nickel Martensitic Stainless Steels (Soft Martensitic Steels)

   • Erich Folkhard

   Pages 179-185

9. Welding Metallurgy of Duplex Austenitic-Ferritic Stainless Steels

   • Erich Folkhard

   Pages 186-196

10. Welding Metallurgy of Austenitic Stainless Steels

    • Erich Folkhard

    Pages 197-222

11. General Instructions for the Welding and Post-Weld Surface Treatments of Fabrications and Welded Components Made from Austenitic Stainless Steel

    • Erich Folkhard

    Pages 223-225

12. Welding Metallurgy of Heat Resisting Steels

    • Erich Folkhard

    Pages 226-228

13. Welding Metallurgy of Austenitic-Ferritic Dissimilar Joints

    • Erich Folkhard

    Pages 229-240

14. Back Matter

    Pages 241-279

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When considering the operational performance of stainless steel weldments the most important points to consider are corrosion resistance, weld metal mechanical properties and the integrity ofthe weldedjoint. Mechanical and corrosion resistance properties are greatly influenced by the metallurgical processes that occur during welding or during heat treatment of welded components. This book is aimed, there­ fore, at providing information on the metallurgical problems that may be encountered during stainless steel welding. In this way we aim to help overcome a certain degree of insecurity that is often encountered in welding shops engaged in the welding of stainless steels and is often the cause of welding problems which may in some instances lead to the premature failure of the welded component. The metallurgical processes that occur during the welding of stainless steel are of a highly intricate nature. The present book focuses in particular on the signif­ icance of constitution diagrams, on the processes occurring during the solidification of weld metal and on the recrystallization and precipitation phenomena which take place in the area of the welds. There are specific chapters covering the hot cracking resistance during welding and the practical welding of a number of different stainless steel grades. In addition, recommendations are given as to the most suitable procedures to be followed in order to obtain maximum corrosion resistance and mechanical properties from the weldments.

• Metall
• corrosion
• crystal
• metal
• welding

• Welding Division, Böhler Ges. m. b. H., Kapfenberg, Austria

  Erich Folkhard

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