scope:

This NORSOK standard establishes a set of qualification requirements to verify that the manufacturer has sufficient competence and experience of the relevant material grades, and necessary facilities and equipment to produce these in the required shapes and sizes with acceptable properties.

The following materials grades are included: 

Duplex SS: all grades, product forms and dimensions 

High alloyed austenitic SS: all product forms and dimensions 

Nickel base alloys: castings 

Titanium and its alloys: castings

This NORSOK standard may also be considered for critical components or product forms in other materials) and for special manufacturing/fabrication processes, e.g. induction and cold bending.

Structural steels are not included.