Forged steel shackles for general lifting purposes. Dee shackles and bow shackles. Grade 6. Safety Ingestion-build-132972 What is BS 903-C4 -

What is BS 903-C4 - Methods of testing vulcanized rubber about

Two techniques are described:

h) laser welding

The acceptance tests have been designed to control those characteristics of the rail steel and rail that are of relevance to the production of high-quality rails and the demands of the railway

Annex D (normative) Remote initiation of commands

Forged steel shackles for general lifting purposes. Dee shackles and bow shackles. Grade 6. Safety Ingestion-build-132972 What is BS 903-C4 -1 Scope This European Standard specifies requirements for forged steel Dee and bow shackles of grade 6 for general lifting purposes in a range of working load limits 0,5 t to 25 t maximum. This standard applies only to those shackles with threaded pins. Annex A gives information on the safe use of shackles, annex B gives information on types of pins, and annex C gives an example of a designation system for forged steel shackles. The hazards covered