ステンレス溶接管のEj=0.85とはどういう意味ですか？
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皆様、ステンレス溶接管S31603のII級、Ej=0.85はHG20537.4規格に準拠していますが、II級Ej=0.85とはどういう意味でしょうか？
Ej=0.85とは、溶接部係数が0.85で、20％のX線探傷によりII級で合格することを意味します。
0.85は溶接部係数で、2級は20％の探傷が求められる
ありがとうございます：victory:
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