The VAR processing ensures no internal voids that cause sudden breaks.
Always demand a certified mill test report (MTR) from your supplier to guarantee you are receiving genuine Extra Quality stock.
To be legally sold as EBWH139 Extra Quality, the material must pass a gauntlet of non-destructive testing (NDT) and destructive testing metrics. Suppliers must provide certification paperwork for every batch. Commonly required certifications include:
Maintains structural integrity at temperatures exceeding 600°C.