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prEN ISO 128-2 Edition 12/2023
Technical product documentation (TPD) - General principles of representation - Part 2: Basic conventions for lines (ISO/FDIS 128-2:2022)
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This document establishes the types of lines used in technical drawings (e.g. diagrams, plans or maps), their designations and their configurations, as well as general rules for the draughting of lines. In addition, this document specifies general rules for the representation of leader and reference lines and their components as well as for the arrangement of instructions on or at leader lines in technical documents. Annexes have been provided for specific information on mechanical, construction and shipbuilding technical drawings. For the purposes of this document the term "technical drawing" is interpreted in the broadest possible sense encompassing the total package of documentation specifying the product (workpiece, subassembly, assembly).


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Technical Committee :
CEN/SS F01 : Technical drawings


start of the vote on the project    02/06/2022   date of ratification (dor)    25/10/2023
end of the vote on the project    22/08/2022   date of anouncement (doa)    25/03/2024
start of the vote on the final project    31/07/2023   date of publication (dop)    25/06/2024
end of the vote on the final project    25/09/2023   date of withdrawal (dow)    25/06/2024

Publication Official Journal
of the Grand-Duchy of Luxembourg


Relations to older standards
ILNAS-EN ISO 128-2:2020

Relations to international standards
ISO 128-2 

International Classification for Standards (ICS codes) :

01.100.01 : Technical drawings in general


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