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CVN90 Welding Procedure Specification by M. Zaki Rahmani is a document available to read on EtoBox.
What is CVN90 Welding Procedure Specification about?
1) This welding procedure specification outlines requirements for manual gas tungsten arc welding of nickel alloy steels 1/8 to 0.499 inches thick to be impact tested at -90°F. 2) Key parameters include preheat minimum of 300°F, postweld heat treatment of 1,100-1,175°F for 1 hour, and gas tungsten arc welding with solid rod filler metal in all positions with a minimum travel speed. 3) The WPS was approved on November 20, 2009 and is intended for applications such as ASME Section I, VIII Division 1, B31.1 a
- Author
- M. Zaki Rahmani
- Language
- EN