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Old 08-28-2009, 01:07 PM
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123pugsy 123pugsy is offline
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Join Date: May 2009
Location: Markham,ON
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The high heat for tacking doesn't necessarily mean you are making a stronger or hotter tack.
We tack 18 ga. stainless at 150 amps here at work.
What happens is an instant burst of heat that completes the tack in a split second.
Our tacks at that amperage come out yellow in colour.
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