Section 7 Certification of materials
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 2 Machinery and Engineering Systems - Part 1 General Requirements - Chapter 1 General Requirements for Classification of Engineering Systems - Section 7 Certification of materials

Section 7 Certification of materials

Parent topic: Chapter 1 General Requirements for Classification of Engineering Systems

7.1 Materials of construction

7.1.1 Materials used in the construction are to be in accordance with, or shown to be equivalent to Rules for the Manufacture, Testing and Certification of Materials, July 2022 (hereinafter referred to as the Rules for Materials). Details of all materials included and not included in are to be forwarded as soon as possible (preferably at the design concept stage) and before commencement of manufacture.

7.2 Welding

7.2.1 Welding consumables, plant and equipment are to be in accordance with the requirements specified in Ch 13, 1.8 Welding equipment and welding consumables of the Rules for Materials.

7.2.2 Welding procedures and welder qualifications are to be tested and qualified in accordance with the requirements specified in Ch 12 Welding Qualifications of the Rules for Materials.

7.2.3 Production weld tests are to be carried out where specified in the subsequent Chapters of these Rules.

7.2.4 All finished welds are to be subjected to non-destructive examination in accordance with the requirements specified in Ch 13, 2.12 Non-destructive examination of steel welds of the Rules for Materials and or the requirements specified in the subsequent chapters of these Rules.

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