DNV DNVGL-RP-0034 PDF

Scope and application

The steel forgings covered herein are intended for components in subsea equipment. Typical applications include:

a) subsea wellhead and tree equipment as per ISO 13628-4 or API 17D

b) completion/workover riser systems as per ISO 13628-7 or API 17G

c) subsea structures and manifolds as per ISO 13628-15 or API 17P

d) flexible pipe as per ISO 13628-11 or API 17B

e) drill-through equipment as per ISO 13533 or API 16A.

The material grades covered are carbon steels, micro-alloyed steels, low alloy steels and modified grades thereof as per material groups 1 and 2 in API 20B.

This RP is not intended to inhibit a vendor from offering, or the purchaser from accepting, alternative materials or manufacturing processes. This can be particularly applicable where there is innovative or developing technology. Where an alternative is offered, it is the responsibility of the vendor to identify any variations from this RP and provide details to the purchaser.