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Helpful Welding Articles

Managing a Coronavirus-Related Project Shutdown

Proper shutdown ensures a smooth re-startRevised from NSPE, Edited by Dr. Jesse A. Grantham, PE, Principal - Forensic Expert

When a hurricane or other disaster forces the closing of a jobsite, owners and contractors can be reasonably assured that, barring severe physical property damage, everyone will be back to work in a short while.

However, the Coronavirus pandemic has led contractors, material suppliers and industry vendors into uncharted waters. Construction companies, for example, in Boston, Cambridge and Somerville Massachusetts and to some degree, Pennsylvania, San Francisco, Austin TX and Travis County, TX, either are unsure about which projects must be closed or are looking at the duration of a moratorium. Consider that: New York Gov. Andrew Cuomo on Friday morning announced that construction is "nonessential" work, effectively shutting down most projects statewide.

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How Much Does a Certified Welding Inspector (CWI) Make?

Certification has a direct correlation with higher incomeWhat is a CWI?

Certified welding inspectors work in various industries related to construction. Furthermore, certified welding inspectors’ daily duties are filled with numerous responsibilities that are essential in maintaining the safety standards of in the construction industry. On the job site, certified welding inspectors ensure that all related construction activities follow specific guidelines, in accordance with city, state, and federal safety regulations. They also inspect plans, verify inspection and welding calibrations, and make sure that all welding materials are in proper condition for future projects. Additionally, welding inspectors inspect all welding equipment, such as regulators, cables, and welding machines.

During the construction phase, welding inspectors are responsible for monitoring heating values, ensuring the proper temperature controls are being used, and verifying that individuals maintain all compliance issues.

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Educating Welders about Quality Welds

Welders are under enormous pressure to produce quality, lasting welds.During my life, I welded, supervised welders, engineered welds and inspected welds in many industries. Some welds were acceptable and some welds were rejected. It is important to note these terms, “accept and reject”. Every person (company and personal) involved in the welding operation needs to perform their assigned duties (design, materials, processes, and compliance). When there is a weakness in any one of these functions, the “welder” gets blamed for a bad weld.“Beauty is in the eye of the beholder”. This is also true for welds.

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Weld Failures - Part III

by, Dr. Jesse A. Grantham, Forensic Welding Engineer

Part 3.  Forensic Welding Engineer

Weld failures are the result of mechanical effects and thermal effects.  

Features associated with weld failures are cracks, micro-fissures, lack of ductility, non-metallic inclusions, laminations, brittle heat affected zones, degradation of micro-alloying elements, grain boundary precipitation of micro-alloy elements, hydrogen dissipation, cold-forming stresses, and fatigue stresses.

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Weld Failures - Part II

by, Dr. Jesse A. Grantham, Forensic Welding Engineer

Part 2.  Welds

Weld failures are not just accidents or acts of God.  Weld failures are the result of human errors originating from unrealistic delivery schedules, oversight, carelessness, ignorance or greed.  With the advance of design sophistication and fast-track methodologies also came the proliferation of metal failures.  Early savings in design and construction costs can easily boomerang as later and larger costs of repair and litigation.  The vulnerable metal structures of the late 20th century can provide “bread and butter” to Forensic Experts of the 21st century.

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