Extended application of results from fire resistance tests for service installations - Ducts Ingestion-build-156411 Product marking details are also

Product marking details are also given

Town planners and local government authorities

objects or other reproductions

and submerged arc welded tubes of the circular-cross section made of non-alloy and alloy steels for mechanical and general engineering purposes

their chemical composition and the temper designations used in this standard are in accordance with BS EN 573- 3 and BS EN 515 respectively

Extended application of results from fire resistance tests for service installations - Ducts Ingestion-build-156411 Product marking details are alsoWhat is this standard about? This European Standard identifies parameters that affect the fire resistance of ducts for ventilation purposes. It also identifies the factors that need to be considered when deciding whether, or by how much a parameter can be extended either positively or negatively when contemplating the fire resistance on an untested variation in the construction. This European Standard, where applicable, gives guidance on additional