High strength quenched and tempered (Q&T) steels offer obvious economic benefits originating from their advantageous strength to price and weight ratios. These steels are usually welded using ferritic ...

The American Welding Society (AWS) has released AWS A3.0M/A3.0:2025 – Standard Welding Terms and Definitions Including Terms for Additive Manufacturing, Adhesive Bonding, Brazing, Soldering, Thermal ...

A welding failure likely led to the deadly train derailment near Pueblo in 2023. That’s according to the final report from the National Transportation Safety Board. The report outlines how a broken ...

Only a relatively small number of welders skipped a preheating step, according to investigations of the work at Newport News Shipbuilding, shown here. (Janes/Michael Fabey) The investigations on ...

11:27, Thu, Dec 5, 2024 Updated: 11:27, Thu, Dec 5, 2024 Welding issues on 14 bridges have delayed a new infrastructure project with £20million of repairs needed on both rail and road. Severfield, the ...

HII has confirmed rework issues associated the building of SSN 798. (Janes/Michael Fabey) The welding issues that HII had reported to the US Navy (USN) at the company's Newport News Shipbuilding yard ...

Post weld heat treatment (PWHT) refers to any heat treatment performed after machining/welding to improve the mechanical and chemical properties of the machined surfaces/weldment. Welding induces ...

A contractor welds a bulkhead of a catapult trough aboard the aircraft carrier John C. Stennis in the Newport News Shipyard in Virginia, on Feb. 1, 2023. (U.S. Navy) Editor’s note: This report has ...

NEWPORT NEWS, Va. — Newport News Shipbuilding (NNS) President Jennifer Boykin said faulty welding was discovered on some submarines and aircraft carriers under construction. Most troubling of all, ...

NEWPORT NEWS, Va. — The president of Newport News Shipbuilding, Jennifer Boykin, discovered the quality of welds on some submarines and aircrafts were faulty. In addition, Boykin suspected the welds ...