BS EN ISO 13769:2018,Gas cylinders – Stamp marking.You can download BS EN ISO 13769:2018 pdf file.The size is 3.23M.
This document has been written so that it is suitable to be referenced in the UN Recommendations for the Transport of Dangerous Goods- Model Regulations.
BS EN ISO 13769:2018 is intended to be applied at the time of cylinder manufacture. However, it may be applied by the cylinder user during use operations, e.g. the stamping of “empty weight” (item 10 in Figures C1 C2 and C-3) on cylinders not so marked at the time of manufacture. It is also intended to be applied at the time of periodic inspection.
Some stamp markings include the year and month. The order of these time elements is given with the most significant digits (the year) to the left, in accordance with the rules given in ISO 8601.
BS EN ISO 13769:2018 specifies stamp marking of transportable gas cylinders of volumes greater than 0, 12 I and up to or equal to 150 I and tubes of volumes up to or equal to 3 000 1, including:
—steel and aluminium-alloy gas cylinders;
—composite gas cylinders,
—acetylene cylinders;
—liquefied petroleum gas (LPG) cylinders (see Annex A)； and
—small cylinders (see Annex B)
Unless noted by exception, the use of”cylinder”in this document refers to the above types of cylinders.
Non-refillable cylinders are addressed by this standard.
4.1 General
The stamp markings listed in Table l consist of manufacturing, operational and certification stampmarks. See 4.3 for the arrangement and position of stamp markings. Additional markings may be applied as agreed upon by interested parties, provided the layout does not cause confusion regarding their interpretation and the clarity of other mandatory markings is not affected.
Annex B specifies the marking provisions for small cylinders.

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