[MW:1890] RE: 1864] welding dissimilar metals

First of all these similar in chemistry and not dissimilar metals, only diff is the coating.

You can weld with SFA5.1 type E6013

 

Note: Do not weld on coated metals, such as galvanized, lead, or cadmium plated steel, unless the coating is removed from the weld area, the area is well ventilated, and while wearing an air-supplied respirator. The coatings and any metals containing these elements can give off toxic fumes if welded.

 

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of waqas suleman
Sent: Saturday, April 04, 2009 12:08 AM
To: materials-welding@googlegroups.com
Subject: [MW:1864] welding dissimiller metals

 

i want to weld G.I pipe of SCH-40 of 3"dia with M.S pipe of 3"dia

can anybody suggest me what electrode no.i have to use with SMAW welding

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