Resistance Welder Settings for cold rolled and galvanized steel

K

keithm696 - 2008

#1
Hi All,
Need some help finding a chart or reference to suggested welder settings for cold rolled and galvanized steel. I know there are a ton of variations due to the material(s) being welded but looking for something to get in the ballpark. Any suggestions or ideas of where to look are appreciated in advance. Thanks!
Keith
 
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#2
Re: Resistance Welder Settings

keithm696 said:
Hi All,
Need some help finding a chart or reference to suggested welder settings for cold rolled and galvanized steel. I know there are a ton of variations due to the material(s) being welded but looking for something to get in the ballpark. Any suggestions or ideas of where to look are appreciated in advance. Thanks!
Keith
I'm no expert, but have you looked at either

ISO 18278-1:2004, Resistance welding - Weldability - Part 1: Assessment of weldability for resistance spot, seam and projection welding of metallic materials

or

ISO 14327:2004, Resistance welding - Procedures for determining the weldability lobe for resistance spot, projection and seam welding.
 
F

fabricator

#3
SAE-AMS-W-6858 has a chart that offers a baseline. Dont remember the page # offhand. The standard is a bit convoluted and lengthy, but I've found the parameters to be a valid starting point.
Keep in mind that nugget size is critical to any RW process but neither the visual verification of a "good" weld nor the actual measurement of the nugget size replace actual destructive pull testing.
 
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