EN 12735-1:2020

Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 1: Tubes for piping systems EN 12735-1:2020

Publication date:   Jun 16, 2020

General information

60.60 Standard published   Mar 25, 2020


CEN/TC 133 Copper and copper alloys

European Norm

23.040.15   Non-ferrous metal pipes



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This document specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper and copper alloy tubes used for refrigeration and air-conditioning piping systems (i.e. piping, connections and repairs).
It is applicable to tubes with an outside diameter from 3 mm up to and including 219 mm.
Tubes made of the copper-grade Cu-DHP are supplied in straight lengths in the material conditions hard or half-hard, or in coils in the annealed material condition.
Tubes made of the alloy CuFe2P are supplied in straight length in the material conditions hard or annealed.

Related legislation

Legislation related to this standard


Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment


Life cycle


EN 12735-1:2016


EN 12735-1:2020
60.60 Standard published
Mar 25, 2020