[MW:19151] CORTEN A steel Welding for chimney flue liners

Hello Sreeram,

 

Please find some information on Corten steel and the recommended welding consumables. AWS classifications ending with "W", W1 & W2" are recommend welding products for welding of corten steel.

 

Corten steel is designed to withstand  atmospheric corrosion. For chimney, stack or duct works  they're popular, but there's no guarantee against "dew point" corrosion.

 

If the flue gas  highly corrosive gaseous vapors, it may form strong acids on condensation. Hence application of "corrosion resistant paints " over and above using corten steel may be required. This needs to be judged based on the design and service requirements.

 

What're  the service  conditions??

 

Thanks.

 

Pradip Goswami, P.Eng,IWE

Welding & Metallurgical Specialist

Ontario, Canada

pgoswami@quickclic.net

pgoswami@sympatico.ca

 

http://www.esabindia.com/products/welding_consumables/low_alloy_electrodes.htm

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On 01-Nov-2013, at 9:03 pm, sreeram menon <sreerammenon19@gmail.com> wrote:

Hi,

I would request any support for preparing a WPS and WPQ. We will be using CORTEN A steel (A242/A588) for our steel flue liners (Chimney) and since we are doing the fabrication for the first time, we do not know the best procedure and materials for welding the liner cans...we are bringing CORTEN A steel rolls (8mm) and have purchased the roller welding equipment as well.

Can someone help me with this.

PS. I am new to the field. I have just completed my B.E Mech studies and joined this company. This would help me make a mark in the firm, if all goes well!! :)

Thanks in advance....

Sreeram Menon

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