Author: gammy

World’s First General Design Approval (GDA) for Developed Steel and Post-Weld Heat Treatment (PWHT) Exemption based on ECA for Low-pressure Liquefied CO2 Tank made of KF460 steel

TOKYO, Dec 5, 2025 – (JCN Newswire via SeaPRwire.com) – Mitsubishi Shipbuilding Co., Ltd. (Mitsubishi Shipbuilding), a part of Mitsubishi Heavy Industries (MHI) Group, and Nippon Steel Corporation (Nippon Steel) have applied Nippon Steel’s developed steel to the cargo tanks

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