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Adoption of a New Work Item for EN 485-1 revision Aluminium and aluminium alloys - Sheet, strip and plates - Part 1: Technical conditions for inspection and delivery

Source:
CEN
Committee:
NFE/35 - Light metals and their alloys
Categories:
Information management | Standardization. General rules
Comment period start date:
Comment period end date:

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Scope

This document specifies the technical conditions for inspection and delivery of wrought aluminium and wrought aluminium alloy sheet, strip and plate for general applications. It also includes provisions for ordering and testing.

It applies to products with a thickness over 0,20 mm up to and including 400 mm.

For many special applications of aluminium strip, sheet and plate, specific European Standards exist, where different or additional requirements are formulated and the appropriate alloys and tempers are selected: see Annex A. Most of these special European Standards refer to provisions of this document.

The selection of the relevant special European Standards is under the responsibility of the purchaser.

Whenever the application involves special properties, such as corrosion resistance, toughness, fatigue strength, surface appearance and welding properties, the user should consult the supplier and consider the relevant special European Standard, as applicable.

Purpose

Despite having passed through several systematic reviews, it could be noticed from a question sent to AFNOR about a major difference in the 1st paragraph of Subclause 6.3.5 of EN 485-1:2016, French edition, comparing to earlier editions, that the current text is incorrect.

Oppositely to both German (with bad wording) and English versions where samples for tensile testing are specified to be taken in the transverse direction in relation to the principal direction of rolling, samples for tensile testing are specified to be taken in the longitudinal direction in relation to the principal direction of rolling in the French version. 

A summary of the various texts is provided below. Errors occurred due to incorrect checking of translations.

1. English version Current edition 2016 - §6.3.5 Normally the test pieces shall be taken with their length transverse (longitudinal transverse) to the principal direction of rolling. Edition 2008 - §6.3.5 Normally the test pieces shall be taken with their length transverse (or long transverse) to the principal direction of rolling. Edition 1994 - §6.1.2.2 Normally, tests in the transverse (or long transverse for plate) direction are required.

2. French version Current edition 2016 - §6.3.5 Normalement, les éprouvettes doivent être prélevées dans le sens de la longueur (ou travers-long) par rapport au sens principal de laminage. Edition 2008 - §6.3.5 Normalement, les éprouvettes doivent être prélevées dans le sens de la longueur (ou travers-long) par rapport au sens principal de laminage. Edition 1994 - §6.1.2.2 Normalement, les essais doivent être effectués dans le sens travers (ou travers-long dans le cas des tôles épaisses).

3. German version Current edition 2016 - §6.3.5 Üblicherweise müssen die Proben quer zur Länge (längs/quer) zur Hauptwalzrichtung entnommen werden. Edition 2008 - §6.3.5 Üblicherweise müssen die Proben quer (oder längs-/quer) zur Hauptwalzrichtung genommen werden. Edition 1995 - §6.1.2.2 Üblicherweise müssen die Prüfungen in Querrichtung (bzw. Längs-/Querrichung bei Platten) durchgeführt werden.

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