UR W - Materials and Welding

Materials and Welding

UR W1 Materials and welding for gas tankers - Rev.3 Aug 2016 Clean

Note: UR W1 Rev.4 will come into force on 1 July 2022 and can be found in "Revision History"

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"

Deleted

Deleted

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 Grey iron castings - Rev.2 May 2004

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

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"

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"

Normal and higher strength hull structural steel grades E and E36 with thicknesses above 50 up to 100 mm - superseded by W11,  - Deleted 1995