Marine & Offshore

News NAPA and Bureau Veritas enhance hull design approvals through direct use of 3D models

NR216 Rules on materials and welding for the classification of marine units

These Rules are applicable to the manufacture, inspection and certification of rolled products, tubes, forgings, castings, anchors, chain cables, welding consumables and various components used for the construction of marine units to be classed with Bureau Veritas in accordance with the applicable Classification Rules for the concerned unit.

Unless otherwise specified, these Rules apply to units for which the date of the contract for construction is on or after July 1st, 2021. BV Rules on Materials and Welding for the Classification of Marine Units consist of the following document:

Reference Title Edition

NR216 R12

Rules on materials and welding for the classification of marine units

Jul 2021

Download the list of main changes

Other Bureau Veritas technical documents are available for free download through the Full list of Bureau Veritas Rules, Rule Notes and Guidance Notes, including documents dedicated to materials and welding such as:

  • NR476 Approval testing of welders

  • NR480 Approval of the manufacturing process of metallic materials 

  • NR546 Hull in composite materials and plywood, material approval, design principles, construction and survey

  • NI613 Adhesive joints and patch repair

  • NI662 Additive manufacturing - guidelines for certification of product made using wire arc additive manufacturing (WAAM) process

Note: Bureau Veritas may at any time issue corrigenda for any published Rules or Guidance Notes to address errors in the printed and/or electronic editions.

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