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ILNAS-EN ISO 128-2:2022 Edition 11/2022
Technical product documentation (TPD) - General principles of representation - Part 2: Basic conventions for lines (ISO 128-2:2022)
  • 81.40 / copy


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).


Standard - Active


Technical Committee :
CEN/SS F01 : Technical drawings


start of the vote on the project    02/06/2022   date of ratification (dor)    23/09/2022
end of the vote on the project    22/08/2022   date of anouncement (doa)    28/02/2023
start of the vote on the final project      date of publication (dop)    31/05/2023
end of the vote on the final project      date of withdrawal (dow)    31/05/2023

Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference Mémorial A N° 250


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

Relations to international standards
ISO 128-2 
ISO 128-2:2022 

International Classification for Standards (ICS codes) :

01.100.01 : Technical drawings in general


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