What Changes To A WPS Require Requalification

Normally the posts on our blog are inspired by questions frequently asked by customers.  Unfortunately, the question above is not asked that often, but it should be.  A welding procedure specification (WPS) is a set of instructions that if followed to the letter, insure a sound weld.   A WPS will typically provide ranges rather than […]

Proper Use of Weld Gages

In the January 2011 AWS publication of Inspection Trends, Albert J. Moore Jr. states that “other than the measuring tape, the fillet weld gage is the most used measuring device in the welding inspector’s kit.” We agree with this statement, but are also convinced that the fillet weld gage is THE most underused tool by […]

Why Welds Crack

A weld failure is never good.  Whether  a weld cracks on a truck’s axle or on the post holding your house’s fence, there are always consequences.  Hopefully the consequences are limited to time and money.  Unfortunately, weld failures can cause injury.   Welds can fail due to design flaws, but the majority of weld failures occur […]

Welding Positions

Even for those of us dealing with welding all day every day it is difficult to remember the welding position nomenclature.  So here is a quick cheat sheet. Fillet Weld Positions Groove Weld Positions Pipe Weld Positions Which do you consider to be the most challenging welding position?    

5 Major Non-destructive Testing Methods

We all have probably heard about destructive testing in welding.  After all, those of us who are certified welders or work at a place that needs to certify welding procedures, have at one time or another heard about a bend test, or a charpy v-notch test.   However, there are several types of non-destructive testing available.  […]

Welder Certification

One of the most common questions we get on our day to day activities is How can I get may welder(s) certified?  The immediate is response is: Certified on what?  Most manufacturers assume that there is a single certification for which their welders can apply, test and become certified.  Unfortunately this is not the case.  […]