Users are advised to check periodically on the ABS website to verify that this version of this Guide is the most current. This Guide becomes effective on the first day of the month of publication.

It is intended that this Guide is continually published as a Guide, rather than Rules, in order to collect more feedback from industry during its use and be able to reflect this feedback back into the Guide in a timely manner. This edition also includes requirements for inspection of T-K-Y joints.

Additionally, requirements for Advanced Nondestructive Testing have also been updated, in accordance with IACS UR W34, in Subsection 2/11 for Radiographic Testing-Digital (RT-D), Section 4 for Phased Array Ultrasonic Testing and Section 5 for Time of Flight Diffraction, respectively. ISO NDT acceptance criteria is included in accordance with IACS UR W33. A new Appendix 6 for Requirements for Nondestructive Testing Testing Suppliers is added in accordance with IACS UR W35. The September 2020 edition modifies the document title from “Nondestructive Inspection of Hull Welds” to “Nondestructive Inspection”. Both PAUT and TOFD produce a permanent record of the inspection in electronic format. The TOFD ultrasonic examination technique can provide improved detection and sizing capabilities of discontinuities compared to standard ultrasonic pulse-echo techniques. The February 2018 edition incorporated a incorporated a new Section 5 for Time of Flight Diffraction (TOFD) ultrasonic inspection. PAUT has become a common nondestructive testing method in use in shipyards for marine and offshore structures across the world, as it provides quicker examination than conventional UT technique for complex geometries.

The 2017 edition incorporates a new Section 4 with criteria for Phased Array Ultrasonic Testing (PAUT). This Guide introduces details of inspection criteria and updated in 1986, 2002, 2011, 20 inspection techniques, which are considered as being widely recognized by the industry as a reliable means of inspection of structure members and their welds during the construction of surface vessels and other related marine and offshore structures. ABS Plaza 1701 City Plaza Drive Spring, TX 77389 USAįoreword (1 Foreword (1 September 2020) This Guide for Nondestructive Inspection of Hull Welds Welds was was originally published in 1975 and subsequently 2018. American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862

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