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yes
yes
Course grained/ Jagged/
I don't know, but I do know that your old American rifle and( I think shotguns) used to have welded barrels along time ago until the metalworks in this country improved.
Better in what way? Rivited joints are generally cheaper while welded joints are generally stronger.
What are the basic mechanical testing methods for arc welded joints?
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Kenneth A. Selby has written: 'Influence of geometry and residual stress on fatigue of welded joints' -- subject(s): Fatigue, Residual stresses, Steel, Testing, Welded joints
T. R. Gurney has written: 'Fatigue of welded structures' -- subject(s): Fatigue, Welded joints, Welded steel structures
it is easy to repair it if any problem exist
T. D. Rosenberg has written: 'A compilation of fatigue test results for welded joints subjected to high stress/low cycle conditions' -- subject(s): Welded joints, Fatigue
Zhiliang Zhang has written: 'A practical micro-mechanical model-based local approach methodology for the analysis of ductile fracture of welded T-joints' -- subject(s): Welded joints, Cracking
No. Additionally, welded socket joints do not receive internal purging with an inert gas (i.e. argon).
Edge,flange and flare-groove joints are commonly welded with out using filler materials You can find this answer in this book WELDING TECHNOLOGY FUNDAMENTALS CHAPTER 4 and its under Typed of welds
I think 2000-2002 are welded in.
F. Kearney has written: 'Electro-optic system for nondestructive testing of field welds' -- subject(s): Nondestructive testing, Welded joints, Testing, Electrooptics 'Nondestructive testing for field welds' -- subject(s): Welded joints, Testing, Nondestructive testing