Founding. Ultrasonic examination - Steel castings for general purposesWhat is BS EN 12680 1 Ultrasonic examination of steel castings about? BS EN 12680 1 is the first part of an international multi series standard that covers the best practices for testing steel castings and products. BS EN 12680 1 specifies the requirements for the ultrasonic examination of steel castings (with ferritic structure) for general purposes and the methods for determining internal discontinuities by the pulse echo technique. BS EN 12680 1

and processing of frozen tissue specimens intended for protein examination during the pre-examination phase before a molecular assay is performed

It specifies minimum performance requirements for diver-carried breathing gas demand regulators for open-circuit and saturation gas reclaim systems used for diving to depths greater than 50 metres

together with associated tests

Fiberboard manufacturers and suppliers

Storage and handling of welding consumables

Ventilation design considerations

Trilingual vocabulary

a telecommunications system

Manufacturers of industrial electronic equipment and components

When this standard is referenced for contractual purposes

) that are obvious to children or the persons in charge of them

the product TCs may consult the guidance given by the European Commission including the amended product mandates