Marine & Offshore

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NR646 Tentative rules for structural assessment of steel ships

These Rules address requirements for structural assessment of sea-going ships as an alternative to NR467 Rules for Steel Ships. 
NR646 may be applied for classification purpose on a voluntary basis in lieu of the applicable edition of NR467 after agreement with the Society.

Reference Title Edition

NR646 R02

Tentative rules for structural assessment of steel ships

April 2022

Check the list of main changes

check related documents
  • NR467 Rules for the classification of steel ships

Check other Bureau Veritas rules and guidelines.

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