BS EN ISO 14174:2019 Welding consumables. Fluxes for submerged arc welding and electroslag welding. Classification

Fluxes (materials)
Arc welding
Nickel
Steels
Submerged arc welding
Particle size distribution
Alloy steels
Particulate materials
Chemical composition
Designations
Marking
Welding
Classification systems
Unalloyed steels
Nickel alloys
Grades (quality)

Link: BS EN ISO 14174:2019 Welding consumables. Fluxes for submerged arc welding and electroslag welding. Classification
Source: BSI Standards

BS EN ISO 6149-1:2019 Connections for hydraulic fluid power and general use. Ports and stud ends with ISO 261 metric threads and O-ring sealing Ports with truncated housing for O-ring seal

Stud couplings
Screwed fittings
Dimensions
Pneumatic transmission systems
Threads
Orifices
Toroidal sealing rings
Identification methods
Hydraulic transmission systems
Holes
Service pressure
Marking
Pipe fittings
Pipe couplings

Link: BS EN ISO 6149-1:2019 Connections for hydraulic fluid power and general use. Ports and stud ends with ISO 261 metric threads and O-ring sealing Ports with truncated housing for O-ring seal
Source: BSI Standards