Mid Month Bulletin 22

PWL#054B - Repair Welding, Failure Analysis, Material and Condition Determination, Procedure Development and more...

Mid February Bulletin

Introduction

Please find here our new Mid Month Bulletin that we offer with the purpose of providing useful online information easily accessible to our readers, either now or at some later date.

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For a general introduction to this subject we would like to refer you to our article:

Weld Repair - Analyze the Failure before attempting the Repair
November 9, 2004
Click on Weld Repair.

Special requirements for repair procedures of Boilers and Pressure Vessels were outlined in a note on "R Stamp Welding" published (11) in Issue 54 of Practical Welding Letter for February 2008. Click on PWL#054 to read it.

Please note that it would be a mistake to try to repair anything without at least knowing essential information on the Material involved and on its condition. Our page on Material Identification may be useful to acquire such understanding.

In difficult cases it may be imperative to devise alternative procedures, not involving welding, to salvage items that might be damaged by welding beyond repair.

Resources on Repair Welding (22)

Welding For Repair and Surfacing
http://www.key-to-steel.com/Articles/Art129.htm

Procedures for Repair Welding and Surfacing
http://www.key-to-steel.com/Articles/Art130.htm

Repair Welding Procedures (see further links)
http://www.vulcanhammer.com/rwp.php

Selecting a Filler Metal for Mold Repair Welding
http://www.moldmakingtechnology.com/articles/040104.html

Tig welding for Tool, Die and Mold Repair: an Overview
http://www.millerwelds.com/education/articles/story138.html

Guidelines for Welding Cast Iron
http://www.lincolnelectric.com/knowledge/articles/content/castironpreheat.asp

Comparing Repair Methods for in-service pipelines
Click on Repair Methods.

Rocket Science Depends on GTAW Welding Repair
http://www.millerwelds.com/education/articles/story85.html

Reliability Improvements in Repair Welding of High-strength Steels
Click on NIST.

Inspection and Welding Repairs of Pressure Vessels
http://www.plant-maintenance.com/articles/Pressure_Vessel_Repairs.pdf

Recent Trends in Repair and Refurbishing of Steam Turbine Components
http://www.ias.ac.in/sadhana/Pdf2003JunAug/Pe1021.pdf

Hydraulic Turbine Repair
http://www.usbr.gov/power/data/fist/fist2_5/vol2-5.pdf

How to Weld a High Performance Muffler (VIDEO)
How to Weld.

How to Use and Maintain Welding Equipment: (VIDEO)
Learn About Bumper Mount Repair Welding
http://video.google.com/videoplay?docid=1414970948603904547

Information

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