UR W - Materials and Welding

Materials and Welding

UR W1 Material and welding for ships carrying liquefied gases in bulk and ships using gases or other low-flashpoint fuels - Rev.4 Apr 2021 Clean

UR W2 Test specimens and mechanical testing procedures for materials - Rev.2 July 2003 Clean

Note: UR W2 Rev.3 will come into force on 1 January 2023 and can be found in "Revision History"

UR W3 Deleted

Deleted

UR W4 Deleted

Deleted

UR W5 Deleted

Deleted

UR W6 Deleted

Deleted

UR W7 Hull and machinery steel forgings - Rev.3 May 2004

Note: UR W7 Rev.4 will come into force on 1 July 2023 and can be found in "Revision History"

UR W8 Hull and machinery steel castings - Rev.2 May 2004 Clean

Note: UR W8 Rev.3 will come into force on 1 July 2023 and can be found in "Revision History"

UR W9 Rev2 CLN

UR W9 Grey iron castings - Rev.2 May 2004

UR W10 Rev2 CLN

UR W10 Spheroidal or nodular graphite iron castings - Rev.2 May 2004

UR W11 Normal and higher strength hull structural steels - Rev.9 May 2017 Clean

UR W12 Deleted

Deleted

UR W13 Thickness tolerances of steel plates and wide flats - Rev.6 June 2018 Clean

Note: UR W13 Rev.7 will come into force on 1 January 2023 and can be found in "Revision History"

UR W14 Steel plates and wide flats with specified minimum through thickness properties (“Z” quality) Rev.2 May 2004

Note: UR W14 Rev.3 will come into force on 1 January 2023 and can be found in "Revision History"

UR W15 Deleted

Deleted

UR W16 High strength steels for welded structures - Rev.3 Mar 2016 Complete Revision

UR W17 Approval of consumables for welding normal and higher strength hull structural steels - Rev.5 Mar 2018 Clean

Note: UR W17 Rev.6 will come into force on 1 January 2023 and can be found in "Revision History"

UR W18 Anchor chain cables and accessories including chafing chain for emergency towing arrangements - Rev.5 May 2004

Note: UR W18 Rev.6 will come into force on 1 January 2023 and can be found in "Revision History"

UR W19 Deleted

Normal and higher strength hull structural steel grades E and E36 with thicknesses above 50 up to 100 mm - superseded by W11,  - Deleted 1995 

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