Non-destructive testing of steel tubes - Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfectionsWhat is ISO 108937 Digital radiographic testing about? ISO 10893 is a series of international standards on Non destructive testing of steel tubes that discusses the best procedures and test methods of digital radiographic testing. ISO 108937 is the seventh part of a series of documents on Non destructive testing. ISO 108937 specifies the requirements for digital radiographic X ray testing by either computed radiography (CR) or radiography with digital

Requirements for the alkali-activating component and the aluminosilicate powder component of these concretes

Section 7 contains specific rules for composite steel-concrete structures

materials and applications and outlines characteristics including installation aspects

BS EN 10305 is a European standard on steel tubes for precision applications that discusses the required best procedures and specifications required for manufacturing high-quality welded cold-sized tubes

BS EN 3908 on lubricating nipples is relevant to:

BS EN 15475 specifies a method for determining the ammoniacal nitrogen content in fertilizers

This document supersedes BS EN 71-1:2014 and combines three amendments into one which covers:

BS EN 868-2 replaces BS EN 868-2:1999 which has been withdrawn

Requirements for manually operated switches which are parts of transformers assembly

using energy

and their raw materials

suppliers and operators of radiography and radioscopy equipment