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Weld Penetration Standards and Requirements

#1
I am trying to find a standard that specify the weld penetration(depth)requirements? So basically my company is automotive supplier and also do a lot of TIG and MIG welding on stainless steel and we basically we use GMW14058 standard but this standard does not talk about how much penetration you have to have and its only talk about leg length and throat thickness on fillet weld. From my past experience, I have seen company submitting vertical & horizontal penetration, throat thickness and leg length data in PPAP for weld validation. So just wondering if anyone knows any other standards for finding what should be the minimum penetration on the weld joint should be? Thank you.
 
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optomist1

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#2
This is a very specialized and sometimes contentious subject...my first instinct is to ask have you discussed this with you OEM SQ rep? Assuming you are a Tier 1, if not then whoever you customer is....the best course of action especially in the Automotive field is open and continuous discussions. Your customer is the best source or at least the first step in establishing what is required/specified. A bit more if your cusotmer is an OEM, they typically have one if not several metal joining experts on staff in the SQ dept and then of course one or more in their materials lab

Hope this helps
 
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