BS 7910:2019

This British Standard gives guidance and recommendations for assessing the acceptability of flaws in all types of structures and components. Although emphasis is placed on welded fabrications in ferritic and austenitic steels and aluminium alloys, the procedures can be used for analysing flaws in structures made from other metallic materials and in non-welded components or structures. The methods described are applicable at the design, fabrication and operational phases of the life of a structure.

Specific applications include:

• assessing a known flaw in order to determine the fitness-for-service of a flawed structure;
• calculating the defect-tolerance of a structure in order to inform materials selection, load capacity or inspection requirements;
• justifying waiver of post-weld heat-treatment in thick-walled steel structures.