News & Events
- Publications
  - Bulletin
    - Archive
      - 1998 issues
        
        September/October
        
        New Projects - Bulletin - September / October 1998
        
        Standards Update - Bulletin - September / October 1998
        
        Radical new approach to joining - in the pipeline
        
        The shape of things to come - distortion control by multimedia
        
        Electrofusion welding - software validation trials prove valuable

Standards

TWI has representatives on many national and international standards committees for welding and joining. Their expert contribution to the work of these committees, and assistance to Industrial Members on standards issues is an important TWI activity.

British Standards

New and Revised British Standards

BS 1113: 1998
Specification for design and manufacture of water-tube steam generating plant (including superheaters, reheaters and steel tube economisers). Supersedes BS 1113: 1992 PVE/2

BS 5500:
Specification for unfired fusion welded pressure vessels

Enquiry Cases

Enquiry Case No 5500/111: January 1998
Use of super duplex steel for the construction of pressure vessels to BS 5500 PVE/1

Enquiry Case No 5500/121: January 1998
Permissible stressing during test pressure conditions PVE/1