海外の溶接材料については、どのように溶接工程評価を行う必要がありますか？
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初めて海外製の溶接材料を使用する場合は、必ずPQRを行わなければなりません。アメリカとドイツで同等の規格のものはすべて海外製の溶接材料なので、どちらもPQRが必要ですよね？正しいですか？
そうです。主な根拠は。。。NB/T47014 付録B
NB/T47014付録Bに基づく
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