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topic 6055

SURFACE DEFECTS ON HOT DIP GALVANIZED STEEL SHEET


(2000)

Q. Dears,

I am a working as a quality control Inspector in Pakistan Steel for 17 years and I want to improve my technical knowledge & skills about surface defects on hot-dip galvanized steel sheet.

Please send me details about surface defects with pictures and their causes on hot-dip galvanized steel sheet.

I will be very thankful to you if you will send me details about surface defects of hot-dip galvanizing.

Ayub Naqvi
steel - Karachi, PAKISTAN


(2001)

A. Hello,

You can find related information in the book "Faults in Hot Dip Galvanizing" [link is to info about book on Amazon] by Dietrich Horstmann Verlag 1983 Stahleisen MBH Dusseldorf Germany.

Oktay Elkoca
iron and steel works - Kdz. Eregli, Zonguldak, Turkey


(2001)

Q. I would to know any informations about optimalizations of quality hot dip galvanized steels for automobile industry

Peter Sucka
- Kosice - Slovakia


(2006)

Q. I would like to have pictures of quality defects of a flat product hot dip galvanized steel.

Sami Ali
steel manufacturing - Saudi Arabia


April 20, 2008

A. Dear Friends

If you need more information about hot-dip galvanizing, including its properties, defects and optimization, you can go to:
www.teckcominco.com/Generic.aspx?PAGE=Products+%26+Services+Pages%2fTechnical+Library&portalName;=tc

Hamed Asgari
- Isfahan, Iran


April 15, 2010

Q. Why white patch marks is coming in my hot dip galvanizing process

Manas Mukherjee
Quality Head - Patna, Bihar, India


February 19, 2013 -- this entry appended to this thread by editor in lieu of spawning a duplicative thread

Q. May you advise with list of hot dip galvanizing' defects and how we define that an end product of hot dip galvanizing process is perfect or acceptable?

I am facing hot dip galvanizing quality issues.

What is the test we can conduct to ensure the hot dip galvanizing quality?

Huang Yau Ang
Agriculture - Butterworth, Penang, Malaysia


February 21, 2013

A. Hi Huang. Please consider retaining a galvanizing consultant to see you through this process. There are thousand-page books just on the subject of galvanizing defects if you wish to go that route. Sorry, but I don't know how anyone could condense such books into the few paragraphs appropriate for a public forum. People spend lifetimes learning this technology.

If you have specific questions we're pleased to try to help, of course.

Regards,

Ted Mooney, finishing.com
Teds signature
Ted Mooney, P.E. RET
finishing.com
Pine Beach, New Jersey



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