This paper based on K60 pipeline steel,by means of DWTT and Charpy impact test,given an analysis on pipeline steel low-temperature fracture toughness.

 
  • 試驗結果表明,隨著(zhù)壁厚的增加,K60級管線(xiàn)鋼夏比沖擊韌性變化不大,DWTT性能?chē)乐叵陆怠?/strong>
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