BS ISO 4991:2015

This standard BS ISO 4991:2015 Steel castings for pressure purposes is classified in these ICS categories:

• 77.140.80 Iron and steel castings
• 77.140.30 Steels for pressure purposes

This International Standard covers steel castings for pressure containing parts.

It includes materials which are used for the manufacture of components subject to pressure vessel codes and components not subject to codes.

This International Standard relates to castings manufactured from unalloyed and alloyed steel grades (characterized by their chemical composition, Table 1, and mechanical properties, Tables 2, 3, 4 and 5).