This kind of problem comes due to copper coating of filler wire. Copper coating is provided to protect filler fire from corrosion. As copper has lower melting temperature due to which it sodifies last. This is not a severe defect. Just remove it after completion of joint.
--
You received this message because you are subscribed to the Google Groups "Materials & Welding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com.
To post to this group, send email to materials-welding@googlegroups.com.
Visit this group at http://groups.google.com/group/materials-welding.
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/3b0fde65-aac6-41e6-90a4-b4290ef46bd6%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
Subscribe to:
Post Comments (Atom)
-
Q: What are equivalents for standard Q 235 B (and Q 235 A) for U-channels? ...
-
Definition of buttering from ASME Section IX, QW/QB-492 Definitions: Buttering: the addition of material, by welding, on one or bot...
-
Section I. PRINT READING 3-1. GENERAL a. Drawings . Drawing or sketching is a universal language used to convey all necessary information to...
No comments:
Post a Comment