Definition(s)
Material Requirements
Document listing the materials required and providing, when relevant, chemical composition, mechanical and physical properties, and any other data necessary to define materials required to provide the product, process or service to the functional specification
NOTE 1 The document may also list the applicable treatments, welding procedures and machining processes.
NOTE 2 The document should contain all available information regarding toxicity and any other health, safety and environment related aspects.
Source: ISO 13880:1999, Petroleum and natural gas industries — Content and drafting of a technical specification, First Edition, October 1999. Global Standards