Inspectioneering
Inspectioneering Journal

99 Diseases of Pressure Equipment: High Hardness Fittings

By John Reynolds at Intertek. This article appears in the January/February 2003 issue of Inspectioneering Journal

Another affliction that is becoming more common as we start to get more and more of our components from developing countries, is that high carbon contents and high micro-alloy contents will make some components relatively unweldable under normal circumstances. Many of our ASTM and ASME carbon steel specifications allow ranges for carbon and micro-alloying elements that exceed weldability.


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