DNV DNV-RU-NAVAL PART 2 CHAPTER 5 PDF

The chapter specifies requirements for metallic materials used for naval vessels and their equipment with respect to:

— manufacture

— inspection and tolerances

— repair

— identification and certification

— condition and supply and heat treatment

— test units, test material and test specimens

— grading systems

— chemical composition

— mechanical composition

— other test requirements, e.g. corrosion test, ring test.

The following materials/products are covered:

— rolled steels

— pipes of steel

— forgings

— steel castings

— copper forgings

— titanium and titanium alloys

— non-magnetizable anchors and chain cables.

Application

The requirements apply to all vessels for assignment of class.