The marine mooring chain steel (R4) has been developed through the composition design,heat-treatment performance investigation and pilot-plant test.

 
  • 開(kāi)發(fā)的海洋四級系泊錨鏈產(chǎn)品,通過(guò)成分設計、熱處理特性的試驗研究及工業(yè)性試制,生產(chǎn)出的熱軋棒材具有較高的抗拉強度、較高的低溫沖擊值;
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